Company lists · Data refreshed November 2026
Top 25 IT security assessment firms worldwide
RevenueBase identified 11,081 company matches for IT security assessment firms worldwide as of November 2026 and tracks 121,260 professional contacts across them, including 31,507 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for IT security assessment 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 November 5, 2026. Country and city lists for IT security assessment 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 IT security assessment firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,149 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 3,342 contacts → | ||||
Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 1,346 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 909 contacts → | ||||
Exact match “Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 782 contacts → | ||||
Exact match “Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 755 contacts → | ||||
Exact match “SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 693 contacts → | ||||
Exact match “The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 676 contacts → | ||||
Exact match “Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 665 contacts → | ||||
Exact match “VikingCloud delivers cybersecurity and compliance solutions that simply work.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 658 contacts → | ||||
Exact match “At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 558 contacts → | ||||
Exact match “Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 551 contacts → | ||||
Exact match “Funded by world-class investors, including Evolution Equity Partners, Silver Lake Partners, Sequoia Capital, GV, Riverwood Capital, and others, SecurityScorecard is the global…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 514 contacts → | ||||
Exact match “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 485 contacts → | ||||
Exact match “Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 472 contacts → | ||||
Exact match “CPX is redefining how nations and industries secure their future.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 417 contacts → | ||||
Exact match “Welcome to IBN Technologies, LLC, Your Trusted Partner in Cybersecurity, Cloud, and Finance Solutions With 26+ years of expertise, IBN Technologies leads in delivering integrated…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 413 contacts → | ||||
Exact match “ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 404 contacts → | ||||
Exact match “UpGuard is the only platform that unifies cyber risk management across the vendor supply chain, attack surface, and human workforce.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 400 contacts → | ||||
Exact match “NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 385 contacts → | ||||
Exact match “eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 370 contacts → | ||||
Exact match “Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 360 contacts → | ||||
Exact match “Prevent Breach & Minimize Impact” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 359 contacts → | ||||
Exact match “A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 357 contacts → | ||||
Exact match “Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 356 contacts → | ||||
Exact match “For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded in the RevenueBase company graph · Nov 5, 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 “IT security assessment 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 11,081 IT security assessment firms worldwide
See the full list, filter by size, metro and specialty, and access 31,507 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT security assessment firms worldwide at a glance
As of Nov 5, 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 IT security assessment firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “IT security assessment 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 31,507 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 November 5, 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.
IT security assessment firms by location
116 lists · largest firstEvery IT security assessment firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- IT security assessment firms based in the United States2,574
- IT security assessment firms based in India1,047
- IT security assessment firms based in the United Kingdom671
- IT security assessment firms based in Canada339
- IT security assessment firms based in Australia331
- IT security assessment firms based in France319
- IT security assessment firms based in Germany310
- IT security assessment firms based in Brazil286
- IT security assessment firms based in the Netherlands199
- IT security assessment firms based in the United Arab Emirates172
- IT security assessment firms based in Spain136
- IT security assessment firms based in Italy117
- IT security assessment firms based in Pakistan116
- IT security assessment firms based in Israel114
- IT security assessment firms based in South Africa113
- IT security assessment firms based in Türkiye113
- IT security assessment firms based in Switzerland109
- IT security assessment firms based in Mexico106
- IT security assessment firms based in Poland105
- IT security assessment firms based in Singapore89
- IT security assessment firms based in Sweden79
- IT security assessment firms based in Nigeria76
- IT security assessment firms based in Indonesia71
- IT security assessment firms based in Belgium70
- IT security assessment firms based in Colombia66
- IT security assessment firms based in Chile60
- IT security assessment firms based in Austria55
- IT security assessment firms based in Argentina51
- IT security assessment firms based in Romania50
- IT security assessment firms based in Saudi Arabia49
- IT security assessment firms based in New Zealand48
- IT security assessment firms based in Denmark41
- IT security assessment firms based in Estonia40
- IT security assessment firms based in Ecuador39
- IT security assessment firms based in Kenya38
- IT security assessment firms based in Ireland36
- IT security assessment firms based in Portugal35
- IT security assessment firms based in Ukraine34
- IT security assessment firms based in Czechia32
- IT security assessment firms based in Malaysia32
- IT security assessment firms based in Greece31
- IT security assessment firms based in Peru31
- IT security assessment firms based in Egypt29
- IT security assessment firms based in Thailand29
- IT security assessment firms based in Finland28
- IT security assessment firms based in Hungary28
- IT security assessment firms based in Japan28
- IT security assessment firms based in Bulgaria26
Cities
- IT security assessment firms based in London, United Kingdom265
- IT security assessment firms based in Bangalore, India127
- IT security assessment firms based in Dubai, United Arab Emirates111
- IT security assessment firms based in Sao Paulo, Brazil109
- IT security assessment firms based in Paris, France101
- IT security assessment firms based in Toronto, Canada97
- IT security assessment firms based in Pune, India91
- IT security assessment firms based in New York, United States88
- IT security assessment firms based in Hyderabad, India85
- IT security assessment firms based in Singapore, Singapore80
- IT security assessment firms based in Melbourne, Australia75
- IT security assessment firms based in Sydney, Australia75
- IT security assessment firms based in Mumbai, India64
- IT security assessment firms based in Atlanta, United States56
- IT security assessment firms based in Austin, United States55
- IT security assessment firms based in Chennai, India55
- IT security assessment firms based in San Francisco, United States55
- IT security assessment firms based in New Delhi, India49
- IT security assessment firms based in Noida, India48
- IT security assessment firms based in Istanbul, Türkiye46
- IT security assessment firms based in Chicago, United States45
- IT security assessment firms based in Ahmedabad, India42
- IT security assessment firms based in Warsaw, Poland42
- IT security assessment firms based in Washington, United States42
- IT security assessment firms based in Stockholm, Sweden41
- IT security assessment firms based in Johannesburg, South Africa40
- IT security assessment firms based in Calgary, Canada38
- IT security assessment firms based in Madrid, Spain38
- IT security assessment firms based in Miami, United States38
- IT security assessment firms based in Montreal, Canada38
- IT security assessment firms based in Brisbane, Australia37
- IT security assessment firms based in Columbia, United States37
- IT security assessment firms based in Barcelona, Spain36
- IT security assessment firms based in Dallas, United States36
- IT security assessment firms based in Houston, United States36
- IT security assessment firms based in Riyadh, Saudi Arabia36
- IT security assessment firms based in Tampa, United States36
- IT security assessment firms based in Boston, United States35
- IT security assessment firms based in Gurgaon, India35
- IT security assessment firms based in Los Angeles, United States34
- IT security assessment firms based in Nairobi, Kenya34
- IT security assessment firms based in Mexico City, Mexico33
- IT security assessment firms based in Ottawa, Canada33
- IT security assessment firms based in Santiago, Chile33
- IT security assessment firms based in Berlin, Germany32
- IT security assessment firms based in Seattle, United States32
- IT security assessment firms based in Tallinn, Estonia32
- IT security assessment firms based in Bucharest, Romania30
- IT security assessment firms based in Charlotte, United States30
- IT security assessment firms based in Phoenix, United States30
- IT security assessment firms based in Tel Aviv, Israel30
- IT security assessment firms based in Amsterdam, Netherlands29
- IT security assessment firms based in Arlington, United States29
- IT security assessment firms based in Denver, United States29
- IT security assessment firms based in Rio De Janeiro, Brazil29
- IT security assessment firms based in Vancouver, Canada29
- IT security assessment firms based in Delhi, India28
- IT security assessment firms based in Jakarta, Indonesia28
- IT security assessment firms based in Las Vegas, United States28
- IT security assessment firms based in Reston, United States28
- IT security assessment firms based in San Diego, United States28
- IT security assessment firms based in Quito, Ecuador27
- IT security assessment firms based in Auckland, New Zealand26
- IT security assessment firms based in Baltimore, United States26
- IT security assessment firms based in Bogota, Colombia26
- IT security assessment firms based in Canberra, Australia25
- IT security assessment firms based in Manchester, United Kingdom25
- IT security assessment firms based in San Antonio, United States25
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 “IT security assessment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security assessment firms are there worldwide?
RevenueBase identified 11,081 company matches for IT security assessment firms worldwide as of November 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 IT security assessment firms?
The United States leads with 2,574 companies, followed by India (1,047) and the United Kingdom (671). Every IT security assessment firms list by country and city is linked on this page.
Which city has the most IT security assessment firms?
London leads with 270 company records, followed by Bangalore (127) and Dubai (112).
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 31,507 professional contacts with verified work emails tracked across these 11,081 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 November 5, 2026.
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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 IT security assessment 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 11,081 matching company records for IT security assessment firms worldwide, with 121,260 tracked contacts and 31,507 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: November 5, 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 IT security assessment 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.comHQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 13,149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  Bugcrowdbugcrowd.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,342 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Guidepoint Securityguidepointsecurity.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cyderescyderes.comHQ: Kansas City, MO, United StatesReported employees: 1,001-5,000 | Kansas City, MO, United States | 1,001-5,000 | Exact match | 909 contacts → |
“Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  COBRAaudit.amazingsupport.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 782 contacts → |
“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  SISAsisa.aiHQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 755 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Synack RED Teamsynack.comHQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 693 contacts → |
“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Telos Corporationtelos.comHQ: Ashburn, VA, United StatesReported employees: 501-1,000 | Ashburn, VA, United States | 501-1,000 | Exact match | 676 contacts → |
“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Vikingcloudvikingcloud.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 665 contacts → |
“VikingCloud delivers cybersecurity and compliance solutions that simply work.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Network Intelligencenetworkintelligence.aiHQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 658 contacts → |
“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  own.securityown.securityHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 558 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Securityscorecardsecurityscorecard.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 551 contacts → |
“Funded by world-class investors, including Evolution Equity Partners, Silver Lake Partners, Sequoia Capital, GV, Riverwood Capital, and others, SecurityScorecard is the global…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Aujas Cybersecurityaujas.comHQ: Cupertino, United StatesReported employees: 1,001-5,000 | Cupertino, United States | 1,001-5,000 | Exact match | 514 contacts → |
“At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Penterapentera.ioHQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 485 contacts → |
“Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  CPXcpx.netHQ: Abu Dhabi, United Arab EmiratesReported employees: 501-1,000 | Abu Dhabi, United Arab Emirates | 501-1,000 | Exact match | 472 contacts → |
“CPX is redefining how nations and industries secure their future.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  IBN Technologiesibntech.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 417 contacts → |
“Welcome to IBN Technologies, LLC, Your Trusted Partner in Cybersecurity, Cloud, and Finance Solutions With 26+ years of expertise, IBN Technologies leads in delivering integrated…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Acpl Systemsacpl.comHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 413 contacts → |
“ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Upguardupguard.comHQ: Mountain View, United StatesReported employees: 201-500 | Mountain View, United States | 201-500 | Exact match | 404 contacts → |
“UpGuard is the only platform that unifies cyber risk management across the vendor supply chain, attack surface, and human workforce.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Neverhackneverhack.comHQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 400 contacts → |
“NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Esec Forte Technologiesesecforte.comHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 385 contacts → |
“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Synetissynetis.comHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 370 contacts → |
“Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Truesectruesec.comHQ: SwedenReported employees: 201-500 | Sweden | 201-500 | Exact match | 360 contacts → |
“Prevent Breach & Minimize Impact” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Safewaysafewayconsultoria.comHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 359 contacts → |
“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Bishop FOXbishopfox.comHQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 357 contacts → |
“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  IANSiansresearch.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 356 contacts → |
“For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 11,081 company matches
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IT security assessment firms: dataset insights
November 5, 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
11,059 records in the displayed employee bands.
22 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 11,081 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: November 5, 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 ↗
IT security assessment firms by location
116 lists · largest firstEvery IT security assessment firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- IT security assessment firms based in the United States2,574
- IT security assessment firms based in India1,047
- IT security assessment firms based in the United Kingdom671
- IT security assessment firms based in Canada339
- IT security assessment firms based in Australia331
- IT security assessment firms based in France319
- IT security assessment firms based in Germany310
- IT security assessment firms based in Brazil286
- IT security assessment firms based in the Netherlands199
- IT security assessment firms based in the United Arab Emirates172
- IT security assessment firms based in Spain136
- IT security assessment firms based in Italy117
- IT security assessment firms based in Pakistan116
- IT security assessment firms based in Israel114
- IT security assessment firms based in South Africa113
- IT security assessment firms based in Türkiye113
- IT security assessment firms based in Switzerland109
- IT security assessment firms based in Mexico106
- IT security assessment firms based in Poland105
- IT security assessment firms based in Singapore89
- IT security assessment firms based in Sweden79
- IT security assessment firms based in Nigeria76
- IT security assessment firms based in Indonesia71
- IT security assessment firms based in Belgium70
- IT security assessment firms based in Colombia66
- IT security assessment firms based in Chile60
- IT security assessment firms based in Austria55
- IT security assessment firms based in Argentina51
- IT security assessment firms based in Romania50
- IT security assessment firms based in Saudi Arabia49
- IT security assessment firms based in New Zealand48
- IT security assessment firms based in Denmark41
- IT security assessment firms based in Estonia40
- IT security assessment firms based in Ecuador39
- IT security assessment firms based in Kenya38
- IT security assessment firms based in Ireland36
- IT security assessment firms based in Portugal35
- IT security assessment firms based in Ukraine34
- IT security assessment firms based in Czechia32
- IT security assessment firms based in Malaysia32
- IT security assessment firms based in Greece31
- IT security assessment firms based in Peru31
- IT security assessment firms based in Egypt29
- IT security assessment firms based in Thailand29
- IT security assessment firms based in Finland28
- IT security assessment firms based in Hungary28
- IT security assessment firms based in Japan28
- IT security assessment firms based in Bulgaria26
Cities
- IT security assessment firms based in London, United Kingdom265
- IT security assessment firms based in Bangalore, India127
- IT security assessment firms based in Dubai, United Arab Emirates111
- IT security assessment firms based in Sao Paulo, Brazil109
- IT security assessment firms based in Paris, France101
- IT security assessment firms based in Toronto, Canada97
- IT security assessment firms based in Pune, India91
- IT security assessment firms based in New York, United States88
- IT security assessment firms based in Hyderabad, India85
- IT security assessment firms based in Singapore, Singapore80
- IT security assessment firms based in Melbourne, Australia75
- IT security assessment firms based in Sydney, Australia75
- IT security assessment firms based in Mumbai, India64
- IT security assessment firms based in Atlanta, United States56
- IT security assessment firms based in Austin, United States55
- IT security assessment firms based in Chennai, India55
- IT security assessment firms based in San Francisco, United States55
- IT security assessment firms based in New Delhi, India49
- IT security assessment firms based in Noida, India48
- IT security assessment firms based in Istanbul, Türkiye46
- IT security assessment firms based in Chicago, United States45
- IT security assessment firms based in Ahmedabad, India42
- IT security assessment firms based in Warsaw, Poland42
- IT security assessment firms based in Washington, United States42
- IT security assessment firms based in Stockholm, Sweden41
- IT security assessment firms based in Johannesburg, South Africa40
- IT security assessment firms based in Calgary, Canada38
- IT security assessment firms based in Madrid, Spain38
- IT security assessment firms based in Miami, United States38
- IT security assessment firms based in Montreal, Canada38
- IT security assessment firms based in Brisbane, Australia37
- IT security assessment firms based in Columbia, United States37
- IT security assessment firms based in Barcelona, Spain36
- IT security assessment firms based in Dallas, United States36
- IT security assessment firms based in Houston, United States36
- IT security assessment firms based in Riyadh, Saudi Arabia36
- IT security assessment firms based in Tampa, United States36
- IT security assessment firms based in Boston, United States35
- IT security assessment firms based in Gurgaon, India35
- IT security assessment firms based in Los Angeles, United States34
- IT security assessment firms based in Nairobi, Kenya34
- IT security assessment firms based in Mexico City, Mexico33
- IT security assessment firms based in Ottawa, Canada33
- IT security assessment firms based in Santiago, Chile33
- IT security assessment firms based in Berlin, Germany32
- IT security assessment firms based in Seattle, United States32
- IT security assessment firms based in Tallinn, Estonia32
- IT security assessment firms based in Bucharest, Romania30
- IT security assessment firms based in Charlotte, United States30
- IT security assessment firms based in Phoenix, United States30
- IT security assessment firms based in Tel Aviv, Israel30
- IT security assessment firms based in Amsterdam, Netherlands29
- IT security assessment firms based in Arlington, United States29
- IT security assessment firms based in Denver, United States29
- IT security assessment firms based in Rio De Janeiro, Brazil29
- IT security assessment firms based in Vancouver, Canada29
- IT security assessment firms based in Delhi, India28
- IT security assessment firms based in Jakarta, Indonesia28
- IT security assessment firms based in Las Vegas, United States28
- IT security assessment firms based in Reston, United States28
- IT security assessment firms based in San Diego, United States28
- IT security assessment firms based in Quito, Ecuador27
- IT security assessment firms based in Auckland, New Zealand26
- IT security assessment firms based in Baltimore, United States26
- IT security assessment firms based in Bogota, Colombia26
- IT security assessment firms based in Canberra, Australia25
- IT security assessment firms based in Manchester, United Kingdom25
- IT security assessment firms based in San Antonio, United States25
Questions about this company list
What does Exact match mean for IT security assessment 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 IT security assessment firms did RevenueBase find worldwide?
The saved snapshot records 11,081 matching company records, 121,260 tracked contacts and 31,507 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: November 5, 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 IT security assessment firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/it-security-assessment-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 IT security assessment firms worldwide
RevenueBase records 11,081 matching company records for IT security assessment firms worldwide, with 121,260 tracked contacts and 31,507 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: November 5, 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 IT security assessment 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 | 13,149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Bugcrowdbugcrowd.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,342 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Guidepoint Securityguidepointsecurity.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cyderescyderes.com HQ: Kansas City, MO, United StatesReported employees: 1,001-5,000 | Kansas City, MO, United States | 1,001-5,000 | Exact match | 909 contacts → |
“Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | COBRAaudit.amazingsupport.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 782 contacts → |
“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | SISAsisa.ai HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 755 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Synack RED Teamsynack.com HQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 693 contacts → |
“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Telos Corporationtelos.com HQ: Ashburn, VA, United StatesReported employees: 501-1,000 | Ashburn, VA, United States | 501-1,000 | Exact match | 676 contacts → |
“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Vikingcloudvikingcloud.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 665 contacts → |
“VikingCloud delivers cybersecurity and compliance solutions that simply work.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Network Intelligencenetworkintelligence.ai HQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 658 contacts → |
“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | own.securityown.security HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 558 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Securityscorecardsecurityscorecard.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 551 contacts → |
“Funded by world-class investors, including Evolution Equity Partners, Silver Lake Partners, Sequoia Capital, GV, Riverwood Capital, and others, SecurityScorecard is the global…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Aujas Cybersecurityaujas.com HQ: Cupertino, United StatesReported employees: 1,001-5,000 | Cupertino, United States | 1,001-5,000 | Exact match | 514 contacts → |
“At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Penterapentera.io HQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 485 contacts → |
“Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | CPXcpx.net HQ: Abu Dhabi, United Arab EmiratesReported employees: 501-1,000 | Abu Dhabi, United Arab Emirates | 501-1,000 | Exact match | 472 contacts → |
“CPX is redefining how nations and industries secure their future.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | IBN Technologiesibntech.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 417 contacts → |
“Welcome to IBN Technologies, LLC, Your Trusted Partner in Cybersecurity, Cloud, and Finance Solutions With 26+ years of expertise, IBN Technologies leads in delivering integrated…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Acpl Systemsacpl.com HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 413 contacts → |
“ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Upguardupguard.com HQ: Mountain View, United StatesReported employees: 201-500 | Mountain View, United States | 201-500 | Exact match | 404 contacts → |
“UpGuard is the only platform that unifies cyber risk management across the vendor supply chain, attack surface, and human workforce.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Neverhackneverhack.com HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 400 contacts → |
“NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Esec Forte Technologiesesecforte.com HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 385 contacts → |
“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Synetissynetis.com HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 370 contacts → |
“Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Truesectruesec.com HQ: SwedenReported employees: 201-500 | Sweden | 201-500 | Exact match | 360 contacts → |
“Prevent Breach & Minimize Impact” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Safewaysafewayconsultoria.com HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 359 contacts → |
“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Bishop FOXbishopfox.com HQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 357 contacts → |
“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | IANSiansresearch.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 356 contacts → |
“For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 11,081 company matches
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IT security assessment firms: dataset insights
November 5, 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
11,059 records in the displayed employee bands.
22 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 11,081 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: November 5, 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 ↗
IT security assessment firms by location
116 lists · largest firstEvery IT security assessment firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- IT security assessment firms based in the United States2,574
- IT security assessment firms based in India1,047
- IT security assessment firms based in the United Kingdom671
- IT security assessment firms based in Canada339
- IT security assessment firms based in Australia331
- IT security assessment firms based in France319
- IT security assessment firms based in Germany310
- IT security assessment firms based in Brazil286
- IT security assessment firms based in the Netherlands199
- IT security assessment firms based in the United Arab Emirates172
- IT security assessment firms based in Spain136
- IT security assessment firms based in Italy117
- IT security assessment firms based in Pakistan116
- IT security assessment firms based in Israel114
- IT security assessment firms based in South Africa113
- IT security assessment firms based in Türkiye113
- IT security assessment firms based in Switzerland109
- IT security assessment firms based in Mexico106
- IT security assessment firms based in Poland105
- IT security assessment firms based in Singapore89
- IT security assessment firms based in Sweden79
- IT security assessment firms based in Nigeria76
- IT security assessment firms based in Indonesia71
- IT security assessment firms based in Belgium70
- IT security assessment firms based in Colombia66
- IT security assessment firms based in Chile60
- IT security assessment firms based in Austria55
- IT security assessment firms based in Argentina51
- IT security assessment firms based in Romania50
- IT security assessment firms based in Saudi Arabia49
- IT security assessment firms based in New Zealand48
- IT security assessment firms based in Denmark41
- IT security assessment firms based in Estonia40
- IT security assessment firms based in Ecuador39
- IT security assessment firms based in Kenya38
- IT security assessment firms based in Ireland36
- IT security assessment firms based in Portugal35
- IT security assessment firms based in Ukraine34
- IT security assessment firms based in Czechia32
- IT security assessment firms based in Malaysia32
- IT security assessment firms based in Greece31
- IT security assessment firms based in Peru31
- IT security assessment firms based in Egypt29
- IT security assessment firms based in Thailand29
- IT security assessment firms based in Finland28
- IT security assessment firms based in Hungary28
- IT security assessment firms based in Japan28
- IT security assessment firms based in Bulgaria26
Cities
- IT security assessment firms based in London, United Kingdom265
- IT security assessment firms based in Bangalore, India127
- IT security assessment firms based in Dubai, United Arab Emirates111
- IT security assessment firms based in Sao Paulo, Brazil109
- IT security assessment firms based in Paris, France101
- IT security assessment firms based in Toronto, Canada97
- IT security assessment firms based in Pune, India91
- IT security assessment firms based in New York, United States88
- IT security assessment firms based in Hyderabad, India85
- IT security assessment firms based in Singapore, Singapore80
- IT security assessment firms based in Melbourne, Australia75
- IT security assessment firms based in Sydney, Australia75
- IT security assessment firms based in Mumbai, India64
- IT security assessment firms based in Atlanta, United States56
- IT security assessment firms based in Austin, United States55
- IT security assessment firms based in Chennai, India55
- IT security assessment firms based in San Francisco, United States55
- IT security assessment firms based in New Delhi, India49
- IT security assessment firms based in Noida, India48
- IT security assessment firms based in Istanbul, Türkiye46
- IT security assessment firms based in Chicago, United States45
- IT security assessment firms based in Ahmedabad, India42
- IT security assessment firms based in Warsaw, Poland42
- IT security assessment firms based in Washington, United States42
- IT security assessment firms based in Stockholm, Sweden41
- IT security assessment firms based in Johannesburg, South Africa40
- IT security assessment firms based in Calgary, Canada38
- IT security assessment firms based in Madrid, Spain38
- IT security assessment firms based in Miami, United States38
- IT security assessment firms based in Montreal, Canada38
- IT security assessment firms based in Brisbane, Australia37
- IT security assessment firms based in Columbia, United States37
- IT security assessment firms based in Barcelona, Spain36
- IT security assessment firms based in Dallas, United States36
- IT security assessment firms based in Houston, United States36
- IT security assessment firms based in Riyadh, Saudi Arabia36
- IT security assessment firms based in Tampa, United States36
- IT security assessment firms based in Boston, United States35
- IT security assessment firms based in Gurgaon, India35
- IT security assessment firms based in Los Angeles, United States34
- IT security assessment firms based in Nairobi, Kenya34
- IT security assessment firms based in Mexico City, Mexico33
- IT security assessment firms based in Ottawa, Canada33
- IT security assessment firms based in Santiago, Chile33
- IT security assessment firms based in Berlin, Germany32
- IT security assessment firms based in Seattle, United States32
- IT security assessment firms based in Tallinn, Estonia32
- IT security assessment firms based in Bucharest, Romania30
- IT security assessment firms based in Charlotte, United States30
- IT security assessment firms based in Phoenix, United States30
- IT security assessment firms based in Tel Aviv, Israel30
- IT security assessment firms based in Amsterdam, Netherlands29
- IT security assessment firms based in Arlington, United States29
- IT security assessment firms based in Denver, United States29
- IT security assessment firms based in Rio De Janeiro, Brazil29
- IT security assessment firms based in Vancouver, Canada29
- IT security assessment firms based in Delhi, India28
- IT security assessment firms based in Jakarta, Indonesia28
- IT security assessment firms based in Las Vegas, United States28
- IT security assessment firms based in Reston, United States28
- IT security assessment firms based in San Diego, United States28
- IT security assessment firms based in Quito, Ecuador27
- IT security assessment firms based in Auckland, New Zealand26
- IT security assessment firms based in Baltimore, United States26
- IT security assessment firms based in Bogota, Colombia26
- IT security assessment firms based in Canberra, Australia25
- IT security assessment firms based in Manchester, United Kingdom25
- IT security assessment firms based in San Antonio, United States25
Questions about this company list
What does Exact match mean for IT security assessment 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 IT security assessment firms did RevenueBase find worldwide?
The saved snapshot records 11,081 matching company records, 121,260 tracked contacts and 31,507 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: November 5, 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 IT security assessment firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/it-security-assessment-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗