Company lists · Data refreshed September 2026
Top 25 Security testing firms worldwide
RevenueBase identified 9,343 company matches for security testing firms worldwide as of September 2026 and tracks 110,838 professional contacts across them, including 28,199 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security testing 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 29, 2026. Country and city lists for security testing 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 testing 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 29, 2026 · View company records in RevenueBase | |||||
| 2 | 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 29, 2026 · View company records in RevenueBase | |||||
| 3 | 980 contacts → | ||||
Exact match “a1qa is a global software testing and QA outsourcing company trusted by IT firms and Fortune 500 enterprises to deliver software quality that holds under real-world pressure.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 874 contacts → | ||||
Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 813 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 743 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 705 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 683 contacts → | ||||
Exact match “Intigriti is the trusted leader in crowdsourced security, empowering the world’s largest organizations to find and fix vulnerabilities before cybercriminals can exploit them.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 641 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 639 contacts → | ||||
Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 587 contacts → | ||||
Exact match “NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 525 contacts → | ||||
Exact match “Protection is Paramount!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 523 contacts → | ||||
Exact match “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 514 contacts → | ||||
Exact match “TTC Global, formerly The Testing Consultancy, is a leading software assurance and testing services provider.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 506 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 486 contacts → | ||||
Exact match “Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 473 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 399 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 398 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 386 contacts → | ||||
Exact match “Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 374 contacts → | ||||
Exact match “At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 364 contacts → | ||||
Exact match “Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 363 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 363 contacts → | ||||
Exact match “Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 350 contacts → | ||||
Exact match “Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.” Recorded in the RevenueBase company graph · Sep 29, 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 testing 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 9,343 security testing firms worldwide
See the full list, filter by size, metro and specialty, and access 28,199 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Security testing firms worldwide at a glance
As of Sep 29, 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 testing firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security testing 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 28,199 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 29, 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 testing firms by location
71 lists · largest firstEvery Security testing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security testing firms based in the United States1,900
- Security testing firms based in India1,037
- Security testing firms based in the United Kingdom614
- Security testing firms based in Canada290
- Security testing firms based in France270
- Security testing firms based in Australia256
- Security testing firms based in Brazil247
- Security testing firms based in Germany225
- Security testing firms based in the Netherlands194
- Security testing firms based in the United Arab Emirates133
- Security testing firms based in Spain128
- Security testing firms based in Israel105
- Security testing firms based in Türkiye99
- Security testing firms based in Poland98
- Security testing firms based in Italy93
- Security testing firms based in Switzerland90
- Security testing firms based in Mexico82
- Security testing firms based in South Africa81
- Security testing firms based in Belgium70
- Security testing firms based in Indonesia69
- Security testing firms based in Colombia61
- Security testing firms based in Chile59
- Security testing firms based in Singapore58
- Security testing firms based in Sweden56
- Security testing firms based in Austria51
- Security testing firms based in Saudi Arabia49
- Security testing firms based in Argentina45
- Security testing firms based in New Zealand44
- Security testing firms based in Czechia41
- Security testing firms based in Romania40
- Security testing firms based in Denmark37
- Security testing firms based in Ireland37
- Security testing firms based in Ukraine33
- Security testing firms based in Malaysia31
- Security testing firms based in Hungary30
- Security testing firms based in Portugal30
- Security testing firms based in Japan29
- Security testing firms based in Egypt27
- Security testing firms based in Bulgaria25
Cities
- Security testing firms based in London, United Kingdom223
- Security testing firms based in Bangalore, India122
- Security testing firms based in Sao Paulo, Brazil97
- Security testing firms based in Pune, India87
- Security testing firms based in Paris, France84
- Security testing firms based in Hyderabad, India81
- Security testing firms based in Dubai, United Arab Emirates76
- Security testing firms based in Toronto, Canada74
- Security testing firms based in New York, United States64
- Security testing firms based in Chennai, India60
- Security testing firms based in Melbourne, Australia59
- Security testing firms based in Sydney, Australia58
- Security testing firms based in Mumbai, India57
- Security testing firms based in San Francisco, United States56
- Security testing firms based in Ahmedabad, India53
- Security testing firms based in Singapore, Singapore51
- Security testing firms based in Noida, India49
- Security testing firms based in Austin, United States44
- Security testing firms based in Dallas, United States34
- Security testing firms based in Chicago, United States33
- Security testing firms based in Montreal, Canada33
- Security testing firms based in Atlanta, United States31
- Security testing firms based in Riyadh, Saudi Arabia31
- Security testing firms based in Manchester, United Kingdom30
- Security testing firms based in Miami, United States30
- Security testing firms based in Amsterdam, Netherlands28
- Security testing firms based in Los Angeles, United States28
- Security testing firms based in Ottawa, Canada28
- Security testing firms based in Washington, United States28
- Security testing firms based in Berlin, Germany27
- Security testing firms based in Stockholm, Sweden26
- Security testing firms based in Barcelona, Spain25
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 testing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security testing firms are there worldwide?
RevenueBase identified 9,343 company matches for security testing 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 testing firms?
The United States leads with 1,900 companies, followed by India (1,037) and the United Kingdom (614). Every security testing firms list by country and city is linked on this page.
Which city has the most security testing firms?
London leads with 227 company records, followed by Sao Paulo (97) and Pune (87).
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 28,199 professional contacts with verified work emails tracked across these 9,343 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 9,343 security testing firms worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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 testing 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 9,343 matching company records for security testing firms worldwide, with 110,838 tracked contacts and 28,199 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 29, 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 testing 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 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  A1qaa1qa.comHQ: Decatur, GA, United StatesReported employees: 1,001-5,000 | Decatur, GA, United States | 1,001-5,000 | Exact match | 980 contacts → |
“a1qa is a global software testing and QA outsourcing company trusted by IT firms and Fortune 500 enterprises to deliver software quality that holds under real-world pressure.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Trustwave, A Levelblue Companylevelblue.comHQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 874 contacts → |
“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Synack RED Teamsynack.comHQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 813 contacts → |
“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  SISAsisa.aiHQ: Bengaluru, IndiaReported employees: 201-500 | Bengaluru, India | 201-500 | Exact match | 743 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  COBRAaudit.amazingsupport.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 705 contacts → |
“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Intigritiintigriti.comHQ: Antwerpen, BelgiumReported employees: Not recorded | Antwerpen, Belgium | Not recorded | Exact match | 683 contacts → |
“Intigriti is the trusted leader in crowdsourced security, empowering the world’s largest organizations to find and fix vulnerabilities before cybercriminals can exploit them.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Network Intelligencenetworkintelligence.aiHQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 641 contacts → |
“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  I-Tracingi-tracing.comHQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 639 contacts → |
“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Netspinetspi.comHQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 587 contacts → |
“NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Paramount Computer Systemsparamountassure.comHQ: Dubai, United Arab EmiratesReported employees: 201-500 | Dubai, United Arab Emirates | 201-500 | Exact match | 525 contacts → |
“Protection is Paramount!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ultraviolet Cyberuvcyber.comHQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 523 contacts → |
“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  TTC Globalttcglobal.comHQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 514 contacts → |
“TTC Global, formerly The Testing Consultancy, is a leading software assurance and testing services provider.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  own.securityown.securityHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 506 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Penterapentera.ioHQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 486 contacts → |
“Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Aujas Cybersecurityaujas.comHQ: Cupertino, CA, United StatesReported employees: 1,001-5,000 | Cupertino, CA, United States | 1,001-5,000 | Exact match | 473 contacts → |
“At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Safewaysafewayconsultoria.comHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 399 contacts → |
“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Acpl Systemsacpl.comHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 398 contacts → |
“ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  G Data Cyberdefensegdata.deHQ: Bochum, GermanyReported employees: 501-1,000 | Bochum, Germany | 501-1,000 | Exact match | 386 contacts → |
“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Resillionresillion.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 374 contacts → |
“At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  horizon3.aihorizon3.aiHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 364 contacts → |
“Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Esec Forte Technologiesesecforte.comHQ: Gurugram, IndiaReported employees: 201-500 | Gurugram, India | 201-500 | Exact match | 363 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  T Security - Dachsecurity.telekom.deHQ: Bonn, GermanyReported employees: 1,001-5,000 | Bonn, Germany | 1,001-5,000 | Exact match | 363 contacts → |
“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Cobaltcobalt.ioHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 350 contacts → |
“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,343 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Security testing firms: dataset insights
September 29, 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
9,334 records in the displayed employee bands.
9 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 9,343 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 29, 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 testing firms by location
71 lists · largest firstEvery Security testing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security testing firms based in the United States1,900
- Security testing firms based in India1,037
- Security testing firms based in the United Kingdom614
- Security testing firms based in Canada290
- Security testing firms based in France270
- Security testing firms based in Australia256
- Security testing firms based in Brazil247
- Security testing firms based in Germany225
- Security testing firms based in the Netherlands194
- Security testing firms based in the United Arab Emirates133
- Security testing firms based in Spain128
- Security testing firms based in Israel105
- Security testing firms based in Türkiye99
- Security testing firms based in Poland98
- Security testing firms based in Italy93
- Security testing firms based in Switzerland90
- Security testing firms based in Mexico82
- Security testing firms based in South Africa81
- Security testing firms based in Belgium70
- Security testing firms based in Indonesia69
- Security testing firms based in Colombia61
- Security testing firms based in Chile59
- Security testing firms based in Singapore58
- Security testing firms based in Sweden56
- Security testing firms based in Austria51
- Security testing firms based in Saudi Arabia49
- Security testing firms based in Argentina45
- Security testing firms based in New Zealand44
- Security testing firms based in Czechia41
- Security testing firms based in Romania40
- Security testing firms based in Denmark37
- Security testing firms based in Ireland37
- Security testing firms based in Ukraine33
- Security testing firms based in Malaysia31
- Security testing firms based in Hungary30
- Security testing firms based in Portugal30
- Security testing firms based in Japan29
- Security testing firms based in Egypt27
- Security testing firms based in Bulgaria25
Cities
- Security testing firms based in London, United Kingdom223
- Security testing firms based in Bangalore, India122
- Security testing firms based in Sao Paulo, Brazil97
- Security testing firms based in Pune, India87
- Security testing firms based in Paris, France84
- Security testing firms based in Hyderabad, India81
- Security testing firms based in Dubai, United Arab Emirates76
- Security testing firms based in Toronto, Canada74
- Security testing firms based in New York, United States64
- Security testing firms based in Chennai, India60
- Security testing firms based in Melbourne, Australia59
- Security testing firms based in Sydney, Australia58
- Security testing firms based in Mumbai, India57
- Security testing firms based in San Francisco, United States56
- Security testing firms based in Ahmedabad, India53
- Security testing firms based in Singapore, Singapore51
- Security testing firms based in Noida, India49
- Security testing firms based in Austin, United States44
- Security testing firms based in Dallas, United States34
- Security testing firms based in Chicago, United States33
- Security testing firms based in Montreal, Canada33
- Security testing firms based in Atlanta, United States31
- Security testing firms based in Riyadh, Saudi Arabia31
- Security testing firms based in Manchester, United Kingdom30
- Security testing firms based in Miami, United States30
- Security testing firms based in Amsterdam, Netherlands28
- Security testing firms based in Los Angeles, United States28
- Security testing firms based in Ottawa, Canada28
- Security testing firms based in Washington, United States28
- Security testing firms based in Berlin, Germany27
- Security testing firms based in Stockholm, Sweden26
- Security testing firms based in Barcelona, Spain25
Questions about this company list
What does Exact match mean for security testing 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 testing firms did RevenueBase find worldwide?
The saved snapshot records 9,343 matching company records, 110,838 tracked contacts and 28,199 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 29, 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 testing firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/security-testing-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 testing firms worldwide
RevenueBase records 9,343 matching company records for security testing firms worldwide, with 110,838 tracked contacts and 28,199 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 29, 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 testing 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 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | A1qaa1qa.com HQ: Decatur, GA, United StatesReported employees: 1,001-5,000 | Decatur, GA, United States | 1,001-5,000 | Exact match | 980 contacts → |
“a1qa is a global software testing and QA outsourcing company trusted by IT firms and Fortune 500 enterprises to deliver software quality that holds under real-world pressure.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Trustwave, A Levelblue Companylevelblue.com HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 874 contacts → |
“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Synack RED Teamsynack.com HQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 813 contacts → |
“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | SISAsisa.ai HQ: Bengaluru, IndiaReported employees: 201-500 | Bengaluru, India | 201-500 | Exact match | 743 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | COBRAaudit.amazingsupport.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 705 contacts → |
“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Intigritiintigriti.com HQ: Antwerpen, BelgiumReported employees: Not recorded | Antwerpen, Belgium | Not recorded | Exact match | 683 contacts → |
“Intigriti is the trusted leader in crowdsourced security, empowering the world’s largest organizations to find and fix vulnerabilities before cybercriminals can exploit them.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Network Intelligencenetworkintelligence.ai HQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 641 contacts → |
“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | I-Tracingi-tracing.com HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 639 contacts → |
“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Netspinetspi.com HQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 587 contacts → |
“NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Paramount Computer Systemsparamountassure.com HQ: Dubai, United Arab EmiratesReported employees: 201-500 | Dubai, United Arab Emirates | 201-500 | Exact match | 525 contacts → |
“Protection is Paramount!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ultraviolet Cyberuvcyber.com HQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 523 contacts → |
“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TTC Globalttcglobal.com HQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 514 contacts → |
“TTC Global, formerly The Testing Consultancy, is a leading software assurance and testing services provider.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | own.securityown.security HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 506 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Penterapentera.io HQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 486 contacts → |
“Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aujas Cybersecurityaujas.com HQ: Cupertino, CA, United StatesReported employees: 1,001-5,000 | Cupertino, CA, United States | 1,001-5,000 | Exact match | 473 contacts → |
“At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Safewaysafewayconsultoria.com HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 399 contacts → |
“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Acpl Systemsacpl.com HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 398 contacts → |
“ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | G Data Cyberdefensegdata.de HQ: Bochum, GermanyReported employees: 501-1,000 | Bochum, Germany | 501-1,000 | Exact match | 386 contacts → |
“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Resillionresillion.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 374 contacts → |
“At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | horizon3.aihorizon3.ai HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 364 contacts → |
“Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Esec Forte Technologiesesecforte.com HQ: Gurugram, IndiaReported employees: 201-500 | Gurugram, India | 201-500 | Exact match | 363 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | T Security - Dachsecurity.telekom.de HQ: Bonn, GermanyReported employees: 1,001-5,000 | Bonn, Germany | 1,001-5,000 | Exact match | 363 contacts → |
“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cobaltcobalt.io HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 350 contacts → |
“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,343 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Security testing firms: dataset insights
September 29, 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
9,334 records in the displayed employee bands.
9 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 9,343 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 29, 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 testing firms by location
71 lists · largest firstEvery Security testing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security testing firms based in the United States1,900
- Security testing firms based in India1,037
- Security testing firms based in the United Kingdom614
- Security testing firms based in Canada290
- Security testing firms based in France270
- Security testing firms based in Australia256
- Security testing firms based in Brazil247
- Security testing firms based in Germany225
- Security testing firms based in the Netherlands194
- Security testing firms based in the United Arab Emirates133
- Security testing firms based in Spain128
- Security testing firms based in Israel105
- Security testing firms based in Türkiye99
- Security testing firms based in Poland98
- Security testing firms based in Italy93
- Security testing firms based in Switzerland90
- Security testing firms based in Mexico82
- Security testing firms based in South Africa81
- Security testing firms based in Belgium70
- Security testing firms based in Indonesia69
- Security testing firms based in Colombia61
- Security testing firms based in Chile59
- Security testing firms based in Singapore58
- Security testing firms based in Sweden56
- Security testing firms based in Austria51
- Security testing firms based in Saudi Arabia49
- Security testing firms based in Argentina45
- Security testing firms based in New Zealand44
- Security testing firms based in Czechia41
- Security testing firms based in Romania40
- Security testing firms based in Denmark37
- Security testing firms based in Ireland37
- Security testing firms based in Ukraine33
- Security testing firms based in Malaysia31
- Security testing firms based in Hungary30
- Security testing firms based in Portugal30
- Security testing firms based in Japan29
- Security testing firms based in Egypt27
- Security testing firms based in Bulgaria25
Cities
- Security testing firms based in London, United Kingdom223
- Security testing firms based in Bangalore, India122
- Security testing firms based in Sao Paulo, Brazil97
- Security testing firms based in Pune, India87
- Security testing firms based in Paris, France84
- Security testing firms based in Hyderabad, India81
- Security testing firms based in Dubai, United Arab Emirates76
- Security testing firms based in Toronto, Canada74
- Security testing firms based in New York, United States64
- Security testing firms based in Chennai, India60
- Security testing firms based in Melbourne, Australia59
- Security testing firms based in Sydney, Australia58
- Security testing firms based in Mumbai, India57
- Security testing firms based in San Francisco, United States56
- Security testing firms based in Ahmedabad, India53
- Security testing firms based in Singapore, Singapore51
- Security testing firms based in Noida, India49
- Security testing firms based in Austin, United States44
- Security testing firms based in Dallas, United States34
- Security testing firms based in Chicago, United States33
- Security testing firms based in Montreal, Canada33
- Security testing firms based in Atlanta, United States31
- Security testing firms based in Riyadh, Saudi Arabia31
- Security testing firms based in Manchester, United Kingdom30
- Security testing firms based in Miami, United States30
- Security testing firms based in Amsterdam, Netherlands28
- Security testing firms based in Los Angeles, United States28
- Security testing firms based in Ottawa, Canada28
- Security testing firms based in Washington, United States28
- Security testing firms based in Berlin, Germany27
- Security testing firms based in Stockholm, Sweden26
- Security testing firms based in Barcelona, Spain25
Questions about this company list
What does Exact match mean for security testing 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 testing firms did RevenueBase find worldwide?
The saved snapshot records 9,343 matching company records, 110,838 tracked contacts and 28,199 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 29, 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 testing firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/security-testing-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗