Company lists · Data refreshed September 2026
Top 25 Critical infrastructure security consulting companies worldwide
RevenueBase identified 23,398 company matches for critical infrastructure security consulting companies worldwide as of September 2026 and tracks 362,821 professional contacts across them, including 89,391 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for critical infrastructure security consulting companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026. Country and city lists for critical infrastructure security consulting companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest critical infrastructure security consulting companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,815 contacts → | ||||
Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 12,771 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 10,851 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 10,793 contacts → | ||||
Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 6,667 contacts → | ||||
Exact match “Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 3,387 contacts → | ||||
Exact match “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 2,972 contacts → | ||||
Exact match “Control Risks is a global specialist risk consultancy that helps to create secure, compliant and resilient organisations.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 2,222 contacts → | ||||
Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 2,025 contacts → | ||||
Exact match “Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 1,949 contacts → | ||||
Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 1,842 contacts → | ||||
Exact match “Wilson James provides safe, secure, customer-led solutions to more than 300 clients across the UK and Europe.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 1,655 contacts → | ||||
Exact match “Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 1,560 contacts → | ||||
Exact match “In an era of accelerating change, Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 1,532 contacts → | ||||
Exact match “Leidos Dynetics provides responsive, cost-effective engineering, scientific, IT solutions to the national security, cybersecurity, space, and critical infrastructure sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 1,455 contacts → | ||||
Exact match “ICTS Europe is Europe’s leading security specialist.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 1,437 contacts → | ||||
Exact match “With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 1,431 contacts → | ||||
Exact match “Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 1,378 contacts → | ||||
Exact match “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 1,374 contacts → | ||||
Exact match “First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 1,340 contacts → | ||||
Exact match “At Imvula Quality Protection, we don’t just provide security, we create peace of mind.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 1,232 contacts → | ||||
Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 1,175 contacts → | ||||
Exact match “IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 1,151 contacts → | ||||
Exact match “SOS Security is a known innovator and leader in the security and protective services industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 1,118 contacts → | ||||
Exact match “Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 1,081 contacts → | ||||
Exact match “Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “critical infrastructure security consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 23,398 critical infrastructure security consulting companies worldwide
See the full list, filter by size, metro and specialty, and access 89,391 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure security consulting companies worldwide at a glance
As of Sep 27, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for critical infrastructure security consulting companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “critical infrastructure security consulting companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 89,391 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Critical infrastructure security consulting companies by location
151 lists · largest firstEvery Critical infrastructure security consulting companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure security consulting companies based in the United States6,159
- Critical infrastructure security consulting companies based in the United Kingdom1,491
- Critical infrastructure security consulting companies based in India1,119
- Critical infrastructure security consulting companies based in France873
- Critical infrastructure security consulting companies based in Brazil836
- Critical infrastructure security consulting companies based in Australia722
- Critical infrastructure security consulting companies based in Canada700
- Critical infrastructure security consulting companies based in Germany612
- Critical infrastructure security consulting companies based in Mexico426
- Critical infrastructure security consulting companies based in Italy394
- Critical infrastructure security consulting companies based in the Netherlands377
- Critical infrastructure security consulting companies based in Spain357
- Critical infrastructure security consulting companies based in the United Arab Emirates341
- Critical infrastructure security consulting companies based in Colombia242
- Critical infrastructure security consulting companies based in South Africa239
- Critical infrastructure security consulting companies based in Israel226
- Critical infrastructure security consulting companies based in Sweden216
- Critical infrastructure security consulting companies based in Switzerland214
- Critical infrastructure security consulting companies based in Türkiye210
- Critical infrastructure security consulting companies based in Chile206
- Critical infrastructure security consulting companies based in Belgium182
- Critical infrastructure security consulting companies based in Argentina167
- Critical infrastructure security consulting companies based in Poland149
- Critical infrastructure security consulting companies based in Saudi Arabia143
- Critical infrastructure security consulting companies based in Nigeria126
- Critical infrastructure security consulting companies based in Peru125
- Critical infrastructure security consulting companies based in Pakistan115
- Critical infrastructure security consulting companies based in Singapore109
- Critical infrastructure security consulting companies based in Indonesia101
- Critical infrastructure security consulting companies based in Austria96
- Critical infrastructure security consulting companies based in Denmark90
- Critical infrastructure security consulting companies based in New Zealand90
- Critical infrastructure security consulting companies based in Kenya77
- Critical infrastructure security consulting companies based in Morocco76
- Critical infrastructure security consulting companies based in Romania72
- Critical infrastructure security consulting companies based in Egypt70
- Critical infrastructure security consulting companies based in Ireland69
- Critical infrastructure security consulting companies based in Malaysia69
- Critical infrastructure security consulting companies based in Portugal69
- Critical infrastructure security consulting companies based in Ecuador67
- Critical infrastructure security consulting companies based in Czechia66
- Critical infrastructure security consulting companies based in Greece66
- Critical infrastructure security consulting companies based in Norway61
- Critical infrastructure security consulting companies based in Ukraine52
- Critical infrastructure security consulting companies based in Finland50
- Critical infrastructure security consulting companies based in Qatar45
- Critical infrastructure security consulting companies based in the Philippines42
- Critical infrastructure security consulting companies based in Hungary41
- Critical infrastructure security consulting companies based in Japan41
- Critical infrastructure security consulting companies based in Luxembourg38
- Critical infrastructure security consulting companies based in Bulgaria36
- Critical infrastructure security consulting companies based in Jordan33
- Critical infrastructure security consulting companies based in Thailand32
- Critical infrastructure security consulting companies based in Slovakia29
- Critical infrastructure security consulting companies based in Cyprus27
- Critical infrastructure security consulting companies based in Uruguay27
- Critical infrastructure security consulting companies based in the Dominican Republic27
Cities
- Critical infrastructure security consulting companies based in London, United Kingdom558
- Critical infrastructure security consulting companies based in Paris, France272
- Critical infrastructure security consulting companies based in Sao Paulo, Brazil261
- Critical infrastructure security consulting companies based in Washington, United States193
- Critical infrastructure security consulting companies based in Dubai, United Arab Emirates191
- Critical infrastructure security consulting companies based in New York, United States173
- Critical infrastructure security consulting companies based in Toronto, Canada147
- Critical infrastructure security consulting companies based in Bangalore, India135
- Critical infrastructure security consulting companies based in Melbourne, Australia131
- Critical infrastructure security consulting companies based in Sydney, Australia130
- Critical infrastructure security consulting companies based in Houston, United States126
- Critical infrastructure security consulting companies based in Atlanta, United States115
- Critical infrastructure security consulting companies based in Singapore, Singapore97
- Critical infrastructure security consulting companies based in Madrid, Spain95
- Critical infrastructure security consulting companies based in Stockholm, Sweden93
- Critical infrastructure security consulting companies based in Austin, United States88
- Critical infrastructure security consulting companies based in Hyderabad, India87
- Critical infrastructure security consulting companies based in Mumbai, India87
- Critical infrastructure security consulting companies based in Riyadh, Saudi Arabia87
- Critical infrastructure security consulting companies based in Dallas, United States85
- Critical infrastructure security consulting companies based in Bogota, Colombia82
- Critical infrastructure security consulting companies based in Arlington, United States81
- Critical infrastructure security consulting companies based in Istanbul, Türkiye79
- Critical infrastructure security consulting companies based in Ottawa, Canada78
- Critical infrastructure security consulting companies based in Miami, United States77
- Critical infrastructure security consulting companies based in Chicago, United States73
- Critical infrastructure security consulting companies based in Los Angeles, United States72
- Critical infrastructure security consulting companies based in Montreal, Canada70
- Critical infrastructure security consulting companies based in Rome, Italy70
- Critical infrastructure security consulting companies based in New Delhi, India69
- Critical infrastructure security consulting companies based in Pune, India68
- Critical infrastructure security consulting companies based in Rio De Janeiro, Brazil68
- Critical infrastructure security consulting companies based in Nairobi, Kenya67
- Critical infrastructure security consulting companies based in Chennai, India66
- Critical infrastructure security consulting companies based in Tampa, United States62
- Critical infrastructure security consulting companies based in Brisbane, Australia61
- Critical infrastructure security consulting companies based in San Francisco, United States61
- Critical infrastructure security consulting companies based in Santiago, Chile61
- Critical infrastructure security consulting companies based in Alexandria, United States60
- Critical infrastructure security consulting companies based in Johannesburg, South Africa58
- Critical infrastructure security consulting companies based in Calgary, Canada57
- Critical infrastructure security consulting companies based in Gurgaon, India57
- Critical infrastructure security consulting companies based in Mclean, United States57
- Critical infrastructure security consulting companies based in Barcelona, Spain54
- Critical infrastructure security consulting companies based in Charlotte, United States53
- Critical infrastructure security consulting companies based in San Antonio, United States53
- Critical infrastructure security consulting companies based in Denver, United States52
- Critical infrastructure security consulting companies based in Canberra, Australia51
- Critical infrastructure security consulting companies based in San Diego, United States51
- Critical infrastructure security consulting companies based in Berlin, Germany50
- Critical infrastructure security consulting companies based in Vancouver, Canada50
- Critical infrastructure security consulting companies based in Boston, United States49
- Critical infrastructure security consulting companies based in Reston, United States49
- Critical infrastructure security consulting companies based in Ahmedabad, India47
- Critical infrastructure security consulting companies based in Noida, India46
- Critical infrastructure security consulting companies based in Columbia, United States45
- Critical infrastructure security consulting companies based in Seattle, United States45
- Critical infrastructure security consulting companies based in Ashburn, United States44
- Critical infrastructure security consulting companies based in Las Vegas, United States44
- Critical infrastructure security consulting companies based in Tel Aviv, Israel44
- Critical infrastructure security consulting companies based in Herndon, United States42
- Critical infrastructure security consulting companies based in Abu Dhabi, United Arab Emirates41
- Critical infrastructure security consulting companies based in Manchester, United Kingdom39
- Critical infrastructure security consulting companies based in Perth, Australia38
- Critical infrastructure security consulting companies based in Phoenix, United States38
- Critical infrastructure security consulting companies based in Warsaw, Poland38
- Critical infrastructure security consulting companies based in Brasilia, Brazil37
- Critical infrastructure security consulting companies based in Cairo, Egypt37
- Critical infrastructure security consulting companies based in Cape Town, South Africa37
- Critical infrastructure security consulting companies based in Huntsville, United States37
- Critical infrastructure security consulting companies based in Orlando, United States37
- Critical infrastructure security consulting companies based in Amsterdam, Netherlands36
- Critical infrastructure security consulting companies based in Zurich, Switzerland35
- Critical infrastructure security consulting companies based in Buenos Aires, Argentina34
- Critical infrastructure security consulting companies based in Fairfax, United States34
- Critical infrastructure security consulting companies based in Vienna, United States34
- Critical infrastructure security consulting companies based in Belo Horizonte, Brazil33
- Critical infrastructure security consulting companies based in Minneapolis, United States33
- Critical infrastructure security consulting companies based in Monterrey, Mexico33
- Critical infrastructure security consulting companies based in Raleigh, United States33
- Critical infrastructure security consulting companies based in Wellington, New Zealand33
- Critical infrastructure security consulting companies based in Colorado Springs, United States31
- Critical infrastructure security consulting companies based in Milan, Italy31
- Critical infrastructure security consulting companies based in Baltimore, United States30
- Critical infrastructure security consulting companies based in Richmond, United States30
- Critical infrastructure security consulting companies based in Doha, Qatar29
- Critical infrastructure security consulting companies based in Quito, Ecuador29
- Critical infrastructure security consulting companies based in Bethesda, United States28
- Critical infrastructure security consulting companies based in Curitiba, Brazil28
- Critical infrastructure security consulting companies based in Lyon, France28
- Critical infrastructure security consulting companies based in Munich, Germany28
- Critical infrastructure security consulting companies based in Columbus, United States27
- Critical infrastructure security consulting companies based in Scottsdale, United States27
- Critical infrastructure security consulting companies based in Jakarta, Indonesia25
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “critical infrastructure security consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure security consulting companies are there worldwide?
RevenueBase identified 23,398 company matches for critical infrastructure security consulting companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Guidehouse tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most critical infrastructure security consulting companies?
The United States leads with 6,159 companies, followed by the United Kingdom (1,491) and India (1,119). Every critical infrastructure security consulting companies list by country and city is linked on this page.
Which city has the most critical infrastructure security consulting companies?
London leads with 566 company records, followed by Paris (272) and Sao Paulo (261).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 89,391 professional contacts with verified work emails tracked across these 23,398 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 23,398 critical infrastructure security consulting companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 critical infrastructure security consulting companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 23,398 matching company records for critical infrastructure security consulting companies worldwide, with 362,821 tracked contacts and 89,391 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 critical infrastructure security consulting companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Guidehouseguidehouse.comHQ: Mclean, VA, United StatesReported employees: 10001+ | Mclean, VA, United States | 10001+ | Exact match | 12,815 contacts → |
“Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 12,771 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  Black & Veatchbv.comHQ: Overland Park, KS, United StatesReported employees: 10001+ | Overland Park, KS, United States | 10001+ | Exact match | 10,851 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Peratonperaton.comHQ: Reston, VA, United StatesReported employees: 10001+ | Reston, VA, United States | 10001+ | Exact match | 10,793 contacts → |
“At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  AMEYamey.co.ukHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,667 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sicuritalia S.P.Asicuritalia.itHQ: Milano, ItalyReported employees: 10001+ | Milano, Italy | 10001+ | Exact match | 3,387 contacts → |
“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Control Riskscontrolrisks.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 2,972 contacts → |
“Control Risks is a global specialist risk consultancy that helps to create secure, compliant and resilient organisations.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  OPTIVoptiv.comHQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,222 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Crisis24crisis24.comHQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 2,025 contacts → |
“Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Paragon Systems INCparasys.comHQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,949 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wilson Jameswilsonjames.co.uk HQ: Westcliff-on-sea, United KingdomReported employees: 5,001-10,000 | Westcliff-on-sea, United Kingdom | 5,001-10,000 | Exact match | 1,842 contacts → |
“Wilson James provides safe, secure, customer-led solutions to more than 300 clients across the UK and Europe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Jensen Hughesjensenhughes.comHQ: Columbia, MD, United StatesReported employees: 1,001-5,000 | Columbia, MD, United States | 1,001-5,000 | Exact match | 1,655 contacts → |
“Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Exponentexponent.comHQ: Menlo Park, CA, United StatesReported employees: 1,001-5,000 | Menlo Park, CA, United States | 1,001-5,000 | Exact match | 1,560 contacts → |
“In an era of accelerating change, Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Dynetics, INCleidos.comHQ: Huntsville, AL, United StatesReported employees: 10001+ | Huntsville, AL, United States | 10001+ | Exact match | 1,532 contacts → |
“Leidos Dynetics provides responsive, cost-effective engineering, scientific, IT solutions to the national security, cybersecurity, space, and critical infrastructure sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Icts Europeictseurope.comHQ: Bp12936, FranceReported employees: 10001+ | Bp12936, France | 10001+ | Exact match | 1,455 contacts → |
“ICTS Europe is Europe’s leading security specialist.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Frazer-Nash Consultancyfnc.co.ukHQ: Leatherhead, United KingdomReported employees: 1,001-5,000 | Leatherhead, United Kingdom | 1,001-5,000 | Exact match | 1,437 contacts → |
“With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Airbus Protectprotect.airbus.comHQ: Blagnac, FranceReported employees: 1,001-5,000 | Blagnac, France | 1,001-5,000 | Exact match | 1,431 contacts → |
“Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Site سايتsite.saHQ: Al Nakheel, Saudi ArabiaReported employees: 501-1,000 | Al Nakheel, Saudi Arabia | 501-1,000 | Exact match | 1,378 contacts → |
“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  First Security Group LLCfirstsg.comHQ: Dubai, United Arab EmiratesReported employees: 5,001-10,000 | Dubai, United Arab Emirates | 5,001-10,000 | Exact match | 1,374 contacts → |
“First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Imvula Quality Protectionimvula.netHQ: Woodmead, South AfricaReported employees: 10001+ | Woodmead, South Africa | 10001+ | Exact match | 1,340 contacts → |
“At Imvula Quality Protection, we don’t just provide security, we create peace of mind.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Guidepoint Securityguidepointsecurity.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,232 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  IEMiem.comHQ: Morrisville, NC, United StatesReported employees: 501-1,000 | Morrisville, NC, United States | 501-1,000 | Exact match | 1,175 contacts → |
“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  SOS Security LLCsossecurity.comHQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 1,151 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,118 contacts → |
“Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Andrews Internationalandrewsinternational.comHQ: Burbank, CA, United StatesReported employees: 10001+ | Burbank, CA, United States | 10001+ | Exact match | 1,081 contacts → |
“Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 23,398 company matches
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Critical infrastructure security consulting companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
23,356 records in the displayed employee bands.
42 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 23,398 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Critical infrastructure security consulting companies by location
151 lists · largest firstEvery Critical infrastructure security consulting companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure security consulting companies based in the United States6,159
- Critical infrastructure security consulting companies based in the United Kingdom1,491
- Critical infrastructure security consulting companies based in India1,119
- Critical infrastructure security consulting companies based in France873
- Critical infrastructure security consulting companies based in Brazil836
- Critical infrastructure security consulting companies based in Australia722
- Critical infrastructure security consulting companies based in Canada700
- Critical infrastructure security consulting companies based in Germany612
- Critical infrastructure security consulting companies based in Mexico426
- Critical infrastructure security consulting companies based in Italy394
- Critical infrastructure security consulting companies based in the Netherlands377
- Critical infrastructure security consulting companies based in Spain357
- Critical infrastructure security consulting companies based in the United Arab Emirates341
- Critical infrastructure security consulting companies based in Colombia242
- Critical infrastructure security consulting companies based in South Africa239
- Critical infrastructure security consulting companies based in Israel226
- Critical infrastructure security consulting companies based in Sweden216
- Critical infrastructure security consulting companies based in Switzerland214
- Critical infrastructure security consulting companies based in Türkiye210
- Critical infrastructure security consulting companies based in Chile206
- Critical infrastructure security consulting companies based in Belgium182
- Critical infrastructure security consulting companies based in Argentina167
- Critical infrastructure security consulting companies based in Poland149
- Critical infrastructure security consulting companies based in Saudi Arabia143
- Critical infrastructure security consulting companies based in Nigeria126
- Critical infrastructure security consulting companies based in Peru125
- Critical infrastructure security consulting companies based in Pakistan115
- Critical infrastructure security consulting companies based in Singapore109
- Critical infrastructure security consulting companies based in Indonesia101
- Critical infrastructure security consulting companies based in Austria96
- Critical infrastructure security consulting companies based in Denmark90
- Critical infrastructure security consulting companies based in New Zealand90
- Critical infrastructure security consulting companies based in Kenya77
- Critical infrastructure security consulting companies based in Morocco76
- Critical infrastructure security consulting companies based in Romania72
- Critical infrastructure security consulting companies based in Egypt70
- Critical infrastructure security consulting companies based in Ireland69
- Critical infrastructure security consulting companies based in Malaysia69
- Critical infrastructure security consulting companies based in Portugal69
- Critical infrastructure security consulting companies based in Ecuador67
- Critical infrastructure security consulting companies based in Czechia66
- Critical infrastructure security consulting companies based in Greece66
- Critical infrastructure security consulting companies based in Norway61
- Critical infrastructure security consulting companies based in Ukraine52
- Critical infrastructure security consulting companies based in Finland50
- Critical infrastructure security consulting companies based in Qatar45
- Critical infrastructure security consulting companies based in the Philippines42
- Critical infrastructure security consulting companies based in Hungary41
- Critical infrastructure security consulting companies based in Japan41
- Critical infrastructure security consulting companies based in Luxembourg38
- Critical infrastructure security consulting companies based in Bulgaria36
- Critical infrastructure security consulting companies based in Jordan33
- Critical infrastructure security consulting companies based in Thailand32
- Critical infrastructure security consulting companies based in Slovakia29
- Critical infrastructure security consulting companies based in Cyprus27
- Critical infrastructure security consulting companies based in Uruguay27
- Critical infrastructure security consulting companies based in the Dominican Republic27
Cities
- Critical infrastructure security consulting companies based in London, United Kingdom558
- Critical infrastructure security consulting companies based in Paris, France272
- Critical infrastructure security consulting companies based in Sao Paulo, Brazil261
- Critical infrastructure security consulting companies based in Washington, United States193
- Critical infrastructure security consulting companies based in Dubai, United Arab Emirates191
- Critical infrastructure security consulting companies based in New York, United States173
- Critical infrastructure security consulting companies based in Toronto, Canada147
- Critical infrastructure security consulting companies based in Bangalore, India135
- Critical infrastructure security consulting companies based in Melbourne, Australia131
- Critical infrastructure security consulting companies based in Sydney, Australia130
- Critical infrastructure security consulting companies based in Houston, United States126
- Critical infrastructure security consulting companies based in Atlanta, United States115
- Critical infrastructure security consulting companies based in Singapore, Singapore97
- Critical infrastructure security consulting companies based in Madrid, Spain95
- Critical infrastructure security consulting companies based in Stockholm, Sweden93
- Critical infrastructure security consulting companies based in Austin, United States88
- Critical infrastructure security consulting companies based in Hyderabad, India87
- Critical infrastructure security consulting companies based in Mumbai, India87
- Critical infrastructure security consulting companies based in Riyadh, Saudi Arabia87
- Critical infrastructure security consulting companies based in Dallas, United States85
- Critical infrastructure security consulting companies based in Bogota, Colombia82
- Critical infrastructure security consulting companies based in Arlington, United States81
- Critical infrastructure security consulting companies based in Istanbul, Türkiye79
- Critical infrastructure security consulting companies based in Ottawa, Canada78
- Critical infrastructure security consulting companies based in Miami, United States77
- Critical infrastructure security consulting companies based in Chicago, United States73
- Critical infrastructure security consulting companies based in Los Angeles, United States72
- Critical infrastructure security consulting companies based in Montreal, Canada70
- Critical infrastructure security consulting companies based in Rome, Italy70
- Critical infrastructure security consulting companies based in New Delhi, India69
- Critical infrastructure security consulting companies based in Pune, India68
- Critical infrastructure security consulting companies based in Rio De Janeiro, Brazil68
- Critical infrastructure security consulting companies based in Nairobi, Kenya67
- Critical infrastructure security consulting companies based in Chennai, India66
- Critical infrastructure security consulting companies based in Tampa, United States62
- Critical infrastructure security consulting companies based in Brisbane, Australia61
- Critical infrastructure security consulting companies based in San Francisco, United States61
- Critical infrastructure security consulting companies based in Santiago, Chile61
- Critical infrastructure security consulting companies based in Alexandria, United States60
- Critical infrastructure security consulting companies based in Johannesburg, South Africa58
- Critical infrastructure security consulting companies based in Calgary, Canada57
- Critical infrastructure security consulting companies based in Gurgaon, India57
- Critical infrastructure security consulting companies based in Mclean, United States57
- Critical infrastructure security consulting companies based in Barcelona, Spain54
- Critical infrastructure security consulting companies based in Charlotte, United States53
- Critical infrastructure security consulting companies based in San Antonio, United States53
- Critical infrastructure security consulting companies based in Denver, United States52
- Critical infrastructure security consulting companies based in Canberra, Australia51
- Critical infrastructure security consulting companies based in San Diego, United States51
- Critical infrastructure security consulting companies based in Berlin, Germany50
- Critical infrastructure security consulting companies based in Vancouver, Canada50
- Critical infrastructure security consulting companies based in Boston, United States49
- Critical infrastructure security consulting companies based in Reston, United States49
- Critical infrastructure security consulting companies based in Ahmedabad, India47
- Critical infrastructure security consulting companies based in Noida, India46
- Critical infrastructure security consulting companies based in Columbia, United States45
- Critical infrastructure security consulting companies based in Seattle, United States45
- Critical infrastructure security consulting companies based in Ashburn, United States44
- Critical infrastructure security consulting companies based in Las Vegas, United States44
- Critical infrastructure security consulting companies based in Tel Aviv, Israel44
- Critical infrastructure security consulting companies based in Herndon, United States42
- Critical infrastructure security consulting companies based in Abu Dhabi, United Arab Emirates41
- Critical infrastructure security consulting companies based in Manchester, United Kingdom39
- Critical infrastructure security consulting companies based in Perth, Australia38
- Critical infrastructure security consulting companies based in Phoenix, United States38
- Critical infrastructure security consulting companies based in Warsaw, Poland38
- Critical infrastructure security consulting companies based in Brasilia, Brazil37
- Critical infrastructure security consulting companies based in Cairo, Egypt37
- Critical infrastructure security consulting companies based in Cape Town, South Africa37
- Critical infrastructure security consulting companies based in Huntsville, United States37
- Critical infrastructure security consulting companies based in Orlando, United States37
- Critical infrastructure security consulting companies based in Amsterdam, Netherlands36
- Critical infrastructure security consulting companies based in Zurich, Switzerland35
- Critical infrastructure security consulting companies based in Buenos Aires, Argentina34
- Critical infrastructure security consulting companies based in Fairfax, United States34
- Critical infrastructure security consulting companies based in Vienna, United States34
- Critical infrastructure security consulting companies based in Belo Horizonte, Brazil33
- Critical infrastructure security consulting companies based in Minneapolis, United States33
- Critical infrastructure security consulting companies based in Monterrey, Mexico33
- Critical infrastructure security consulting companies based in Raleigh, United States33
- Critical infrastructure security consulting companies based in Wellington, New Zealand33
- Critical infrastructure security consulting companies based in Colorado Springs, United States31
- Critical infrastructure security consulting companies based in Milan, Italy31
- Critical infrastructure security consulting companies based in Baltimore, United States30
- Critical infrastructure security consulting companies based in Richmond, United States30
- Critical infrastructure security consulting companies based in Doha, Qatar29
- Critical infrastructure security consulting companies based in Quito, Ecuador29
- Critical infrastructure security consulting companies based in Bethesda, United States28
- Critical infrastructure security consulting companies based in Curitiba, Brazil28
- Critical infrastructure security consulting companies based in Lyon, France28
- Critical infrastructure security consulting companies based in Munich, Germany28
- Critical infrastructure security consulting companies based in Columbus, United States27
- Critical infrastructure security consulting companies based in Scottsdale, United States27
- Critical infrastructure security consulting companies based in Jakarta, Indonesia25
Questions about this company list
What does Exact match mean for critical infrastructure security consulting companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical infrastructure security consulting companies did RevenueBase find worldwide?
The saved snapshot records 23,398 matching company records, 362,821 tracked contacts and 89,391 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure security consulting companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-security-consulting-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 critical infrastructure security consulting companies worldwide
RevenueBase records 23,398 matching company records for critical infrastructure security consulting companies worldwide, with 362,821 tracked contacts and 89,391 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 critical infrastructure security consulting companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Guidehouseguidehouse.com HQ: Mclean, VA, United StatesReported employees: 10001+ | Mclean, VA, United States | 10001+ | Exact match | 12,815 contacts → |
“Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 12,771 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | Black & Veatchbv.com HQ: Overland Park, KS, United StatesReported employees: 10001+ | Overland Park, KS, United States | 10001+ | Exact match | 10,851 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Peratonperaton.com HQ: Reston, VA, United StatesReported employees: 10001+ | Reston, VA, United States | 10001+ | Exact match | 10,793 contacts → |
“At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | AMEYamey.co.uk HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,667 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sicuritalia S.P.Asicuritalia.it HQ: Milano, ItalyReported employees: 10001+ | Milano, Italy | 10001+ | Exact match | 3,387 contacts → |
“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Control Riskscontrolrisks.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 2,972 contacts → |
“Control Risks is a global specialist risk consultancy that helps to create secure, compliant and resilient organisations.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | OPTIVoptiv.com HQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,222 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Crisis24crisis24.com HQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 2,025 contacts → |
“Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Paragon Systems INCparasys.com HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,949 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Wilson Jameswilsonjames.co.uk HQ: Westcliff-on-sea, United KingdomReported employees: 5,001-10,000 | Westcliff-on-sea, United Kingdom | 5,001-10,000 | Exact match | 1,842 contacts → |
“Wilson James provides safe, secure, customer-led solutions to more than 300 clients across the UK and Europe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Jensen Hughesjensenhughes.com HQ: Columbia, MD, United StatesReported employees: 1,001-5,000 | Columbia, MD, United States | 1,001-5,000 | Exact match | 1,655 contacts → |
“Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Exponentexponent.com HQ: Menlo Park, CA, United StatesReported employees: 1,001-5,000 | Menlo Park, CA, United States | 1,001-5,000 | Exact match | 1,560 contacts → |
“In an era of accelerating change, Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dynetics, INCleidos.com HQ: Huntsville, AL, United StatesReported employees: 10001+ | Huntsville, AL, United States | 10001+ | Exact match | 1,532 contacts → |
“Leidos Dynetics provides responsive, cost-effective engineering, scientific, IT solutions to the national security, cybersecurity, space, and critical infrastructure sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Icts Europeictseurope.com HQ: Bp12936, FranceReported employees: 10001+ | Bp12936, France | 10001+ | Exact match | 1,455 contacts → |
“ICTS Europe is Europe’s leading security specialist.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Frazer-Nash Consultancyfnc.co.uk HQ: Leatherhead, United KingdomReported employees: 1,001-5,000 | Leatherhead, United Kingdom | 1,001-5,000 | Exact match | 1,437 contacts → |
“With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Airbus Protectprotect.airbus.com HQ: Blagnac, FranceReported employees: 1,001-5,000 | Blagnac, France | 1,001-5,000 | Exact match | 1,431 contacts → |
“Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Site سايتsite.sa HQ: Al Nakheel, Saudi ArabiaReported employees: 501-1,000 | Al Nakheel, Saudi Arabia | 501-1,000 | Exact match | 1,378 contacts → |
“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | First Security Group LLCfirstsg.com HQ: Dubai, United Arab EmiratesReported employees: 5,001-10,000 | Dubai, United Arab Emirates | 5,001-10,000 | Exact match | 1,374 contacts → |
“First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Imvula Quality Protectionimvula.net HQ: Woodmead, South AfricaReported employees: 10001+ | Woodmead, South Africa | 10001+ | Exact match | 1,340 contacts → |
“At Imvula Quality Protection, we don’t just provide security, we create peace of mind.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Guidepoint Securityguidepointsecurity.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,232 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IEMiem.com HQ: Morrisville, NC, United StatesReported employees: 501-1,000 | Morrisville, NC, United States | 501-1,000 | Exact match | 1,175 contacts → |
“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SOS Security LLCsossecurity.com HQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 1,151 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,118 contacts → |
“Securitas Critical Infrastructure Services, Inc.(SCIS) is a provider of specialized security and fire services to the highly regulated Nuclear, Aerospace, Defense, Energy, and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Andrews Internationalandrewsinternational.com HQ: Burbank, CA, United StatesReported employees: 10001+ | Burbank, CA, United States | 10001+ | Exact match | 1,081 contacts → |
“Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 23,398 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Critical infrastructure security consulting companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
23,356 records in the displayed employee bands.
42 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 23,398 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Critical infrastructure security consulting companies by location
151 lists · largest firstEvery Critical infrastructure security consulting companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure security consulting companies based in the United States6,159
- Critical infrastructure security consulting companies based in the United Kingdom1,491
- Critical infrastructure security consulting companies based in India1,119
- Critical infrastructure security consulting companies based in France873
- Critical infrastructure security consulting companies based in Brazil836
- Critical infrastructure security consulting companies based in Australia722
- Critical infrastructure security consulting companies based in Canada700
- Critical infrastructure security consulting companies based in Germany612
- Critical infrastructure security consulting companies based in Mexico426
- Critical infrastructure security consulting companies based in Italy394
- Critical infrastructure security consulting companies based in the Netherlands377
- Critical infrastructure security consulting companies based in Spain357
- Critical infrastructure security consulting companies based in the United Arab Emirates341
- Critical infrastructure security consulting companies based in Colombia242
- Critical infrastructure security consulting companies based in South Africa239
- Critical infrastructure security consulting companies based in Israel226
- Critical infrastructure security consulting companies based in Sweden216
- Critical infrastructure security consulting companies based in Switzerland214
- Critical infrastructure security consulting companies based in Türkiye210
- Critical infrastructure security consulting companies based in Chile206
- Critical infrastructure security consulting companies based in Belgium182
- Critical infrastructure security consulting companies based in Argentina167
- Critical infrastructure security consulting companies based in Poland149
- Critical infrastructure security consulting companies based in Saudi Arabia143
- Critical infrastructure security consulting companies based in Nigeria126
- Critical infrastructure security consulting companies based in Peru125
- Critical infrastructure security consulting companies based in Pakistan115
- Critical infrastructure security consulting companies based in Singapore109
- Critical infrastructure security consulting companies based in Indonesia101
- Critical infrastructure security consulting companies based in Austria96
- Critical infrastructure security consulting companies based in Denmark90
- Critical infrastructure security consulting companies based in New Zealand90
- Critical infrastructure security consulting companies based in Kenya77
- Critical infrastructure security consulting companies based in Morocco76
- Critical infrastructure security consulting companies based in Romania72
- Critical infrastructure security consulting companies based in Egypt70
- Critical infrastructure security consulting companies based in Ireland69
- Critical infrastructure security consulting companies based in Malaysia69
- Critical infrastructure security consulting companies based in Portugal69
- Critical infrastructure security consulting companies based in Ecuador67
- Critical infrastructure security consulting companies based in Czechia66
- Critical infrastructure security consulting companies based in Greece66
- Critical infrastructure security consulting companies based in Norway61
- Critical infrastructure security consulting companies based in Ukraine52
- Critical infrastructure security consulting companies based in Finland50
- Critical infrastructure security consulting companies based in Qatar45
- Critical infrastructure security consulting companies based in the Philippines42
- Critical infrastructure security consulting companies based in Hungary41
- Critical infrastructure security consulting companies based in Japan41
- Critical infrastructure security consulting companies based in Luxembourg38
- Critical infrastructure security consulting companies based in Bulgaria36
- Critical infrastructure security consulting companies based in Jordan33
- Critical infrastructure security consulting companies based in Thailand32
- Critical infrastructure security consulting companies based in Slovakia29
- Critical infrastructure security consulting companies based in Cyprus27
- Critical infrastructure security consulting companies based in Uruguay27
- Critical infrastructure security consulting companies based in the Dominican Republic27
Cities
- Critical infrastructure security consulting companies based in London, United Kingdom558
- Critical infrastructure security consulting companies based in Paris, France272
- Critical infrastructure security consulting companies based in Sao Paulo, Brazil261
- Critical infrastructure security consulting companies based in Washington, United States193
- Critical infrastructure security consulting companies based in Dubai, United Arab Emirates191
- Critical infrastructure security consulting companies based in New York, United States173
- Critical infrastructure security consulting companies based in Toronto, Canada147
- Critical infrastructure security consulting companies based in Bangalore, India135
- Critical infrastructure security consulting companies based in Melbourne, Australia131
- Critical infrastructure security consulting companies based in Sydney, Australia130
- Critical infrastructure security consulting companies based in Houston, United States126
- Critical infrastructure security consulting companies based in Atlanta, United States115
- Critical infrastructure security consulting companies based in Singapore, Singapore97
- Critical infrastructure security consulting companies based in Madrid, Spain95
- Critical infrastructure security consulting companies based in Stockholm, Sweden93
- Critical infrastructure security consulting companies based in Austin, United States88
- Critical infrastructure security consulting companies based in Hyderabad, India87
- Critical infrastructure security consulting companies based in Mumbai, India87
- Critical infrastructure security consulting companies based in Riyadh, Saudi Arabia87
- Critical infrastructure security consulting companies based in Dallas, United States85
- Critical infrastructure security consulting companies based in Bogota, Colombia82
- Critical infrastructure security consulting companies based in Arlington, United States81
- Critical infrastructure security consulting companies based in Istanbul, Türkiye79
- Critical infrastructure security consulting companies based in Ottawa, Canada78
- Critical infrastructure security consulting companies based in Miami, United States77
- Critical infrastructure security consulting companies based in Chicago, United States73
- Critical infrastructure security consulting companies based in Los Angeles, United States72
- Critical infrastructure security consulting companies based in Montreal, Canada70
- Critical infrastructure security consulting companies based in Rome, Italy70
- Critical infrastructure security consulting companies based in New Delhi, India69
- Critical infrastructure security consulting companies based in Pune, India68
- Critical infrastructure security consulting companies based in Rio De Janeiro, Brazil68
- Critical infrastructure security consulting companies based in Nairobi, Kenya67
- Critical infrastructure security consulting companies based in Chennai, India66
- Critical infrastructure security consulting companies based in Tampa, United States62
- Critical infrastructure security consulting companies based in Brisbane, Australia61
- Critical infrastructure security consulting companies based in San Francisco, United States61
- Critical infrastructure security consulting companies based in Santiago, Chile61
- Critical infrastructure security consulting companies based in Alexandria, United States60
- Critical infrastructure security consulting companies based in Johannesburg, South Africa58
- Critical infrastructure security consulting companies based in Calgary, Canada57
- Critical infrastructure security consulting companies based in Gurgaon, India57
- Critical infrastructure security consulting companies based in Mclean, United States57
- Critical infrastructure security consulting companies based in Barcelona, Spain54
- Critical infrastructure security consulting companies based in Charlotte, United States53
- Critical infrastructure security consulting companies based in San Antonio, United States53
- Critical infrastructure security consulting companies based in Denver, United States52
- Critical infrastructure security consulting companies based in Canberra, Australia51
- Critical infrastructure security consulting companies based in San Diego, United States51
- Critical infrastructure security consulting companies based in Berlin, Germany50
- Critical infrastructure security consulting companies based in Vancouver, Canada50
- Critical infrastructure security consulting companies based in Boston, United States49
- Critical infrastructure security consulting companies based in Reston, United States49
- Critical infrastructure security consulting companies based in Ahmedabad, India47
- Critical infrastructure security consulting companies based in Noida, India46
- Critical infrastructure security consulting companies based in Columbia, United States45
- Critical infrastructure security consulting companies based in Seattle, United States45
- Critical infrastructure security consulting companies based in Ashburn, United States44
- Critical infrastructure security consulting companies based in Las Vegas, United States44
- Critical infrastructure security consulting companies based in Tel Aviv, Israel44
- Critical infrastructure security consulting companies based in Herndon, United States42
- Critical infrastructure security consulting companies based in Abu Dhabi, United Arab Emirates41
- Critical infrastructure security consulting companies based in Manchester, United Kingdom39
- Critical infrastructure security consulting companies based in Perth, Australia38
- Critical infrastructure security consulting companies based in Phoenix, United States38
- Critical infrastructure security consulting companies based in Warsaw, Poland38
- Critical infrastructure security consulting companies based in Brasilia, Brazil37
- Critical infrastructure security consulting companies based in Cairo, Egypt37
- Critical infrastructure security consulting companies based in Cape Town, South Africa37
- Critical infrastructure security consulting companies based in Huntsville, United States37
- Critical infrastructure security consulting companies based in Orlando, United States37
- Critical infrastructure security consulting companies based in Amsterdam, Netherlands36
- Critical infrastructure security consulting companies based in Zurich, Switzerland35
- Critical infrastructure security consulting companies based in Buenos Aires, Argentina34
- Critical infrastructure security consulting companies based in Fairfax, United States34
- Critical infrastructure security consulting companies based in Vienna, United States34
- Critical infrastructure security consulting companies based in Belo Horizonte, Brazil33
- Critical infrastructure security consulting companies based in Minneapolis, United States33
- Critical infrastructure security consulting companies based in Monterrey, Mexico33
- Critical infrastructure security consulting companies based in Raleigh, United States33
- Critical infrastructure security consulting companies based in Wellington, New Zealand33
- Critical infrastructure security consulting companies based in Colorado Springs, United States31
- Critical infrastructure security consulting companies based in Milan, Italy31
- Critical infrastructure security consulting companies based in Baltimore, United States30
- Critical infrastructure security consulting companies based in Richmond, United States30
- Critical infrastructure security consulting companies based in Doha, Qatar29
- Critical infrastructure security consulting companies based in Quito, Ecuador29
- Critical infrastructure security consulting companies based in Bethesda, United States28
- Critical infrastructure security consulting companies based in Curitiba, Brazil28
- Critical infrastructure security consulting companies based in Lyon, France28
- Critical infrastructure security consulting companies based in Munich, Germany28
- Critical infrastructure security consulting companies based in Columbus, United States27
- Critical infrastructure security consulting companies based in Scottsdale, United States27
- Critical infrastructure security consulting companies based in Jakarta, Indonesia25
Questions about this company list
What does Exact match mean for critical infrastructure security consulting companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical infrastructure security consulting companies did RevenueBase find worldwide?
The saved snapshot records 23,398 matching company records, 362,821 tracked contacts and 89,391 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 25 critical infrastructure security consulting companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-security-consulting-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗