Company lists · Data refreshed September 2026
Top 25 Security consultancy firms worldwide
RevenueBase identified 15,934 company matches for security consultancy firms worldwide as of September 2026 and tracks 213,049 professional contacts across them, including 38,098 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security consultancy firms 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 21, 2026. Country and city lists for security consultancy firms 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 security consultancy firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,771 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 3,620 contacts → | ||||
Exact match “Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 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 21, 2026 · View company records in RevenueBase | |||||
| 4 | 2,500 contacts → | ||||
Exact match “The industry leader in security, Security Industry Specialists offers unique solutions to Fortune 500 companies, international events, and celebrity clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 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 21, 2026 · View company records in RevenueBase | |||||
| 6 | 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 21, 2026 · View company records in RevenueBase | |||||
| 7 | 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 21, 2026 · View company records in RevenueBase | |||||
| 8 | 1,398 contacts → | ||||
Exact match “World Security being a Semi Govt Organization provides specialist turnkey security solutions to the local market and beyond, as well as the Dubai World Group.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 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 21, 2026 · View company records in RevenueBase | |||||
| 10 | 1,375 contacts → | ||||
Exact match “Guardsmark, LLC provides security services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 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 21, 2026 · View company records in RevenueBase | |||||
| 12 | 1,361 contacts → | ||||
Exact match “O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 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 21, 2026 · View company records in RevenueBase | |||||
| 14 | 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 21, 2026 · View company records in RevenueBase | |||||
| 15 | 1,138 contacts → | ||||
Exact match “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 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 21, 2026 · View company records in RevenueBase | |||||
| 17 | 1,062 contacts → | ||||
Exact match “Founded in 1982, St.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 1,050 contacts → | ||||
Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 1,041 contacts → | ||||
Exact match “A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 1,007 contacts → | ||||
Exact match “La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 824 contacts → | ||||
Exact match “Omega Risk Solutions offers advanced, integrated security solutions based on a thorough understanding of its clients’ requirements in order to present them with innovative and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 792 contacts → | ||||
Exact match “Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 781 contacts → | ||||
Exact match “AEGIS is a London based, privately owned, British security and risk management company with overseas offices in Afghanistan, Bahrain, Iraq and the USA.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 771 contacts → | ||||
Exact match “Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 748 contacts → | ||||
Exact match “Improving Security.” Recorded in the RevenueBase company graph · Sep 21, 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 “security consultancy firms”. 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 15,934 security consultancy firms worldwide
See the full list, filter by size, metro and specialty, and access 38,098 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security consultancy firms worldwide at a glance
As of Sep 21, 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 security consultancy firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security consultancy firms” 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 38,098 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 21, 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.
Security consultancy firms by location
78 lists · largest firstEvery Security consultancy firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security consultancy firms based in the United States3,627
- Security consultancy firms based in the United Kingdom1,491
- Security consultancy firms based in France634
- Security consultancy firms based in India627
- Security consultancy firms based in Germany503
- Security consultancy firms based in Brazil501
- Security consultancy firms based in Australia489
- Security consultancy firms based in Canada435
- Security consultancy firms based in the Netherlands345
- Security consultancy firms based in Italy283
- Security consultancy firms based in Mexico258
- Security consultancy firms based in Spain244
- Security consultancy firms based in the United Arab Emirates217
- Security consultancy firms based in South Africa210
- Security consultancy firms based in Sweden172
- Security consultancy firms based in Switzerland166
- Security consultancy firms based in Colombia142
- Security consultancy firms based in Türkiye140
- Security consultancy firms based in Chile130
- Security consultancy firms based in Argentina127
- Security consultancy firms based in Nigeria122
- Security consultancy firms based in Israel121
- Security consultancy firms based in Belgium118
- Security consultancy firms based in Poland86
- Security consultancy firms based in Peru81
- Security consultancy firms based in Kenya70
- Security consultancy firms based in New Zealand70
- Security consultancy firms based in Singapore70
- Security consultancy firms based in Indonesia67
- Security consultancy firms based in Denmark65
- Security consultancy firms based in Saudi Arabia65
- Security consultancy firms based in Malaysia57
- Security consultancy firms based in Portugal57
- Security consultancy firms based in Romania57
- Security consultancy firms based in Egypt56
- Security consultancy firms based in Ireland55
- Security consultancy firms based in Austria52
- Security consultancy firms based in Ecuador52
- Security consultancy firms based in Finland49
- Security consultancy firms based in Czechia45
- Security consultancy firms based in Greece45
- Security consultancy firms based in Hungary29
- Security consultancy firms based in Norway28
Cities
- Security consultancy firms based in London, United Kingdom528
- Security consultancy firms based in New York, United States105
- Security consultancy firms based in Melbourne, Australia92
- Security consultancy firms based in Toronto, Canada91
- Security consultancy firms based in Washington, United States89
- Security consultancy firms based in Sydney, Australia84
- Security consultancy firms based in Bangalore, India72
- Security consultancy firms based in Houston, United States68
- Security consultancy firms based in Atlanta, United States58
- Security consultancy firms based in Los Angeles, United States56
- Security consultancy firms based in Miami, United States50
- Security consultancy firms based in Austin, United States49
- Security consultancy firms based in Chicago, United States49
- Security consultancy firms based in Ottawa, Canada49
- Security consultancy firms based in Tampa, United States45
- Security consultancy firms based in Dallas, United States44
- Security consultancy firms based in Calgary, Canada42
- Security consultancy firms based in Mumbai, India42
- Security consultancy firms based in Pune, India40
- Security consultancy firms based in Arlington, United States39
- Security consultancy firms based in San Francisco, United States39
- Security consultancy firms based in Brisbane, Australia37
- Security consultancy firms based in Chennai, India37
- Security consultancy firms based in Canberra, Australia35
- Security consultancy firms based in Denver, United States33
- Security consultancy firms based in Alexandria, United States31
- Security consultancy firms based in Manchester, United Kingdom30
- Security consultancy firms based in Phoenix, United States30
- Security consultancy firms based in Seattle, United States29
- Security consultancy firms based in Boston, United States28
- Security consultancy firms based in Charlotte, United States28
- Security consultancy firms based in Las Vegas, United States27
- Security consultancy firms based in Reston, United States27
- Security consultancy firms based in Columbia, United States26
- Security consultancy firms based in Birmingham, United Kingdom25
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 “security consultancy firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security consultancy firms are there worldwide?
RevenueBase identified 15,934 company matches for security consultancy firms 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?
Private Sector tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most security consultancy firms?
The United States leads with 3,627 companies, followed by the United Kingdom (1,491) and France (634). Every security consultancy firms list by country and city is linked on this page.
Which city has the most security consultancy firms?
London leads with 533 company records, followed by Sao Paulo (168) and Paris (159).
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 38,098 professional contacts with verified work emails tracked across these 15,934 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 15,934 security consultancy firms 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 security consultancy firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 15,934 matching company records for security consultancy firms worldwide, with 213,049 tracked contacts and 38,098 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 21, 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 security consultancy firms 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 | 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. | |||||
| 2 |  Securitas Seguridad Españasecuritas.esHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,620 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Culver City, CA, United StatesReported employees: 5,001-10,000 | Culver City, CA, United States | 5,001-10,000 | Exact match | 2,500 contacts → |
“The industry leader in security, Security Industry Specialists offers unique solutions to Fortune 500 companies, international events, and celebrity clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  World Securityworldsecurity.aeHQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 1,398 contacts → |
“World Security being a Semi Govt Organization provides specialist turnkey security solutions to the local market and beyond, as well as the Dubai World Group.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Guardsmarkguardsmark.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,375 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Comando G8comandog8.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,361 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Titan Security Grouptitan-security.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,138 contacts → |
“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  St. Moritz Security Services, INCsmssi.comHQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 1,062 contacts → |
“Founded in 1982, St.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Brosnan Risk Consultantsbrosnanrisk.comHQ: Pearl River, NY, United StatesReported employees: 5,001-10,000 | Pearl River, NY, United States | 5,001-10,000 | Exact match | 1,050 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Seguritechseguritech.comHQ: Ciudad De Mexico, MexicoReported employees: 1,001-5,000 | Ciudad De Mexico, Mexico | 1,001-5,000 | Exact match | 1,041 contacts → |
“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Onet Sécuritéonet.frHQ: Marseille, FranceReported employees: 10001+ | Marseille, France | 10001+ | Exact match | 1,007 contacts → |
“La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Omega Risk Solutionsomegasol.com HQ: Grand Baie, MauritiusReported employees: 5,001-10,000 | Grand Baie, Mauritius | 5,001-10,000 | Exact match | 824 contacts → |
“Omega Risk Solutions offers advanced, integrated security solutions based on a thorough understanding of its clients’ requirements in order to present them with innovative and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Securitas Norgesecuritas.noHQ: Oslo, NorwayReported employees: 5,001-10,000 | Oslo, Norway | 5,001-10,000 | Exact match | 792 contacts → |
“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  AEGISaegisworld.usHQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 781 contacts → |
“AEGIS is a London based, privately owned, British security and risk management company with overseas offices in Afghanistan, Bahrain, Iraq and the USA.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PSUpsuchina.com.cn HQ: Beijing, ChinaReported employees: Not recorded | Beijing, China | Not recorded | Exact match | 771 contacts → |
“Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Northeast Security INCnesecurity.comHQ: Westwood, MA, United StatesReported employees: 1,001-5,000 | Westwood, MA, United States | 1,001-5,000 | Exact match | 748 contacts → |
“Improving Security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 15,934 company matches
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Security consultancy firms: dataset insights
September 21, 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
15,898 records in the displayed employee bands.
36 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 15,934 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 21, 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 ↗
Security consultancy firms by location
78 lists · largest firstEvery Security consultancy firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security consultancy firms based in the United States3,627
- Security consultancy firms based in the United Kingdom1,491
- Security consultancy firms based in France634
- Security consultancy firms based in India627
- Security consultancy firms based in Germany503
- Security consultancy firms based in Brazil501
- Security consultancy firms based in Australia489
- Security consultancy firms based in Canada435
- Security consultancy firms based in the Netherlands345
- Security consultancy firms based in Italy283
- Security consultancy firms based in Mexico258
- Security consultancy firms based in Spain244
- Security consultancy firms based in the United Arab Emirates217
- Security consultancy firms based in South Africa210
- Security consultancy firms based in Sweden172
- Security consultancy firms based in Switzerland166
- Security consultancy firms based in Colombia142
- Security consultancy firms based in Türkiye140
- Security consultancy firms based in Chile130
- Security consultancy firms based in Argentina127
- Security consultancy firms based in Nigeria122
- Security consultancy firms based in Israel121
- Security consultancy firms based in Belgium118
- Security consultancy firms based in Poland86
- Security consultancy firms based in Peru81
- Security consultancy firms based in Kenya70
- Security consultancy firms based in New Zealand70
- Security consultancy firms based in Singapore70
- Security consultancy firms based in Indonesia67
- Security consultancy firms based in Denmark65
- Security consultancy firms based in Saudi Arabia65
- Security consultancy firms based in Malaysia57
- Security consultancy firms based in Portugal57
- Security consultancy firms based in Romania57
- Security consultancy firms based in Egypt56
- Security consultancy firms based in Ireland55
- Security consultancy firms based in Austria52
- Security consultancy firms based in Ecuador52
- Security consultancy firms based in Finland49
- Security consultancy firms based in Czechia45
- Security consultancy firms based in Greece45
- Security consultancy firms based in Hungary29
- Security consultancy firms based in Norway28
Cities
- Security consultancy firms based in London, United Kingdom528
- Security consultancy firms based in New York, United States105
- Security consultancy firms based in Melbourne, Australia92
- Security consultancy firms based in Toronto, Canada91
- Security consultancy firms based in Washington, United States89
- Security consultancy firms based in Sydney, Australia84
- Security consultancy firms based in Bangalore, India72
- Security consultancy firms based in Houston, United States68
- Security consultancy firms based in Atlanta, United States58
- Security consultancy firms based in Los Angeles, United States56
- Security consultancy firms based in Miami, United States50
- Security consultancy firms based in Austin, United States49
- Security consultancy firms based in Chicago, United States49
- Security consultancy firms based in Ottawa, Canada49
- Security consultancy firms based in Tampa, United States45
- Security consultancy firms based in Dallas, United States44
- Security consultancy firms based in Calgary, Canada42
- Security consultancy firms based in Mumbai, India42
- Security consultancy firms based in Pune, India40
- Security consultancy firms based in Arlington, United States39
- Security consultancy firms based in San Francisco, United States39
- Security consultancy firms based in Brisbane, Australia37
- Security consultancy firms based in Chennai, India37
- Security consultancy firms based in Canberra, Australia35
- Security consultancy firms based in Denver, United States33
- Security consultancy firms based in Alexandria, United States31
- Security consultancy firms based in Manchester, United Kingdom30
- Security consultancy firms based in Phoenix, United States30
- Security consultancy firms based in Seattle, United States29
- Security consultancy firms based in Boston, United States28
- Security consultancy firms based in Charlotte, United States28
- Security consultancy firms based in Las Vegas, United States27
- Security consultancy firms based in Reston, United States27
- Security consultancy firms based in Columbia, United States26
- Security consultancy firms based in Birmingham, United Kingdom25
Questions about this company list
What does Exact match mean for security consultancy firms?
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 security consultancy firms did RevenueBase find worldwide?
The saved snapshot records 15,934 matching company records, 213,049 tracked contacts and 38,098 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 21, 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 security consultancy firms worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/security-consultancy-firms.
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 security consultancy firms worldwide
RevenueBase records 15,934 matching company records for security consultancy firms worldwide, with 213,049 tracked contacts and 38,098 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 21, 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 security consultancy firms 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 | 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. | |||||
| 2 | Securitas Seguridad Españasecuritas.es HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,620 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Culver City, CA, United StatesReported employees: 5,001-10,000 | Culver City, CA, United States | 5,001-10,000 | Exact match | 2,500 contacts → |
“The industry leader in security, Security Industry Specialists offers unique solutions to Fortune 500 companies, international events, and celebrity clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | World Securityworldsecurity.ae HQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 1,398 contacts → |
“World Security being a Semi Govt Organization provides specialist turnkey security solutions to the local market and beyond, as well as the Dubai World Group.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Guardsmarkguardsmark.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,375 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Comando G8comandog8.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,361 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Titan Security Grouptitan-security.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,138 contacts → |
“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | St. Moritz Security Services, INCsmssi.com HQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 1,062 contacts → |
“Founded in 1982, St.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Brosnan Risk Consultantsbrosnanrisk.com HQ: Pearl River, NY, United StatesReported employees: 5,001-10,000 | Pearl River, NY, United States | 5,001-10,000 | Exact match | 1,050 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Seguritechseguritech.com HQ: Ciudad De Mexico, MexicoReported employees: 1,001-5,000 | Ciudad De Mexico, Mexico | 1,001-5,000 | Exact match | 1,041 contacts → |
“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Onet Sécuritéonet.fr HQ: Marseille, FranceReported employees: 10001+ | Marseille, France | 10001+ | Exact match | 1,007 contacts → |
“La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Omega Risk Solutionsomegasol.com HQ: Grand Baie, MauritiusReported employees: 5,001-10,000 | Grand Baie, Mauritius | 5,001-10,000 | Exact match | 824 contacts → |
“Omega Risk Solutions offers advanced, integrated security solutions based on a thorough understanding of its clients’ requirements in order to present them with innovative and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Securitas Norgesecuritas.no HQ: Oslo, NorwayReported employees: 5,001-10,000 | Oslo, Norway | 5,001-10,000 | Exact match | 792 contacts → |
“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | AEGISaegisworld.us HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 781 contacts → |
“AEGIS is a London based, privately owned, British security and risk management company with overseas offices in Afghanistan, Bahrain, Iraq and the USA.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PSUpsuchina.com.cn HQ: Beijing, ChinaReported employees: Not recorded | Beijing, China | Not recorded | Exact match | 771 contacts → |
“Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Northeast Security INCnesecurity.com HQ: Westwood, MA, United StatesReported employees: 1,001-5,000 | Westwood, MA, United States | 1,001-5,000 | Exact match | 748 contacts → |
“Improving Security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 15,934 company matches
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Security consultancy firms: dataset insights
September 21, 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
15,898 records in the displayed employee bands.
36 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 15,934 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 21, 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 ↗
Security consultancy firms by location
78 lists · largest firstEvery Security consultancy firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security consultancy firms based in the United States3,627
- Security consultancy firms based in the United Kingdom1,491
- Security consultancy firms based in France634
- Security consultancy firms based in India627
- Security consultancy firms based in Germany503
- Security consultancy firms based in Brazil501
- Security consultancy firms based in Australia489
- Security consultancy firms based in Canada435
- Security consultancy firms based in the Netherlands345
- Security consultancy firms based in Italy283
- Security consultancy firms based in Mexico258
- Security consultancy firms based in Spain244
- Security consultancy firms based in the United Arab Emirates217
- Security consultancy firms based in South Africa210
- Security consultancy firms based in Sweden172
- Security consultancy firms based in Switzerland166
- Security consultancy firms based in Colombia142
- Security consultancy firms based in Türkiye140
- Security consultancy firms based in Chile130
- Security consultancy firms based in Argentina127
- Security consultancy firms based in Nigeria122
- Security consultancy firms based in Israel121
- Security consultancy firms based in Belgium118
- Security consultancy firms based in Poland86
- Security consultancy firms based in Peru81
- Security consultancy firms based in Kenya70
- Security consultancy firms based in New Zealand70
- Security consultancy firms based in Singapore70
- Security consultancy firms based in Indonesia67
- Security consultancy firms based in Denmark65
- Security consultancy firms based in Saudi Arabia65
- Security consultancy firms based in Malaysia57
- Security consultancy firms based in Portugal57
- Security consultancy firms based in Romania57
- Security consultancy firms based in Egypt56
- Security consultancy firms based in Ireland55
- Security consultancy firms based in Austria52
- Security consultancy firms based in Ecuador52
- Security consultancy firms based in Finland49
- Security consultancy firms based in Czechia45
- Security consultancy firms based in Greece45
- Security consultancy firms based in Hungary29
- Security consultancy firms based in Norway28
Cities
- Security consultancy firms based in London, United Kingdom528
- Security consultancy firms based in New York, United States105
- Security consultancy firms based in Melbourne, Australia92
- Security consultancy firms based in Toronto, Canada91
- Security consultancy firms based in Washington, United States89
- Security consultancy firms based in Sydney, Australia84
- Security consultancy firms based in Bangalore, India72
- Security consultancy firms based in Houston, United States68
- Security consultancy firms based in Atlanta, United States58
- Security consultancy firms based in Los Angeles, United States56
- Security consultancy firms based in Miami, United States50
- Security consultancy firms based in Austin, United States49
- Security consultancy firms based in Chicago, United States49
- Security consultancy firms based in Ottawa, Canada49
- Security consultancy firms based in Tampa, United States45
- Security consultancy firms based in Dallas, United States44
- Security consultancy firms based in Calgary, Canada42
- Security consultancy firms based in Mumbai, India42
- Security consultancy firms based in Pune, India40
- Security consultancy firms based in Arlington, United States39
- Security consultancy firms based in San Francisco, United States39
- Security consultancy firms based in Brisbane, Australia37
- Security consultancy firms based in Chennai, India37
- Security consultancy firms based in Canberra, Australia35
- Security consultancy firms based in Denver, United States33
- Security consultancy firms based in Alexandria, United States31
- Security consultancy firms based in Manchester, United Kingdom30
- Security consultancy firms based in Phoenix, United States30
- Security consultancy firms based in Seattle, United States29
- Security consultancy firms based in Boston, United States28
- Security consultancy firms based in Charlotte, United States28
- Security consultancy firms based in Las Vegas, United States27
- Security consultancy firms based in Reston, United States27
- Security consultancy firms based in Columbia, United States26
- Security consultancy firms based in Birmingham, United Kingdom25
Questions about this company list
What does Exact match mean for security consultancy firms?
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 security consultancy firms did RevenueBase find worldwide?
The saved snapshot records 15,934 matching company records, 213,049 tracked contacts and 38,098 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 21, 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 security consultancy firms worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/security-consultancy-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗