Company lists · Data refreshed November 2026
Top 25 Security testing firms worldwide
RevenueBase identified 7,277 company matches for security testing firms worldwide as of November 2026 and tracks 90,157 professional contacts across them, including 22,351 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 November 5, 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 | 13,149 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 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 | |||||
| 3 | 1,071 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 733 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 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 | |||||
| 7 | 672 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 608 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 576 contacts → | ||||
Exact match “TTC Global, formerly The Testing Consultancy, is a leading software assurance and testing services provider.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 426 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 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 | |||||
| 14 | 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 | |||||
| 15 | 355 contacts → | ||||
Exact match “T A L A K U N C H I Networks Pvt.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 347 contacts → | ||||
Exact match “Invicti is transforming the way web applications are secured.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 346 contacts → | ||||
Exact match “TechDefence Labs (TechD Cybersecurity Limited) Award-winning | Innovative | Visionary We empower organizations across the globe to secure their applications, networks, and digital…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 341 contacts → | ||||
Exact match “NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 335 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 317 contacts → | ||||
Exact match “Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 288 contacts → | ||||
Exact match “PortSwigger is a global leader in the creation of software tools for security testing of web applications.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 274 contacts → | ||||
Exact match “We are a young company, founded in 2019 in Brazil, with the aim of bringing an innovative approach to the information security market, with state-of-the-art proprietary and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 271 contacts → | ||||
Exact match “Designed for companies that want to manage their security posture against the evolving threat landscape.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 259 contacts → | ||||
Exact match “Software development has changed.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 258 contacts → | ||||
Exact match “AKS IT Services (an ISO 9001:2015 and ISO 27001:2013 certified company) is a leading IT Security Services and Solutions provider with over 7500 clients.” 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 “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 7,277 security testing firms worldwide
See the full list, filter by size, metro and specialty, and access 22,351 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security testing 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 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 22,351 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.
Security testing firms by location
55 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 States1,351
- Security testing firms based in India875
- Security testing firms based in the United Kingdom490
- Security testing firms based in Brazil203
- Security testing firms based in France202
- Security testing firms based in Germany191
- Security testing firms based in Canada179
- Security testing firms based in Australia169
- Security testing firms based in the Netherlands152
- Security testing firms based in the United Arab Emirates87
- Security testing firms based in Spain85
- Security testing firms based in Türkiye85
- Security testing firms based in Poland82
- Security testing firms based in Israel78
- Security testing firms based in Italy74
- Security testing firms based in South Africa64
- Security testing firms based in Indonesia62
- Security testing firms based in Switzerland61
- Security testing firms based in Mexico51
- Security testing firms based in Belgium49
- Security testing firms based in Sweden43
- Security testing firms based in Colombia40
- Security testing firms based in Austria38
- Security testing firms based in Chile37
- Security testing firms based in Czechia37
- Security testing firms based in New Zealand37
- Security testing firms based in Ukraine35
- Security testing firms based in Romania33
- Security testing firms based in Saudi Arabia32
- Security testing firms based in Ireland31
- Security testing firms based in Estonia30
- Security testing firms based in Portugal28
- Security testing firms based in Japan25
- Security testing firms based in Malaysia25
Cities
- Security testing firms based in London, United Kingdom183
- Security testing firms based in Bangalore, India105
- Security testing firms based in Pune, India81
- Security testing firms based in Sao Paulo, Brazil71
- Security testing firms based in Hyderabad, India66
- Security testing firms based in Paris, France64
- Security testing firms based in New York, United States58
- Security testing firms based in Toronto, Canada52
- Security testing firms based in Dubai, United Arab Emirates50
- Security testing firms based in Mumbai, India46
- Security testing firms based in Ahmedabad, India45
- Security testing firms based in Melbourne, Australia45
- Security testing firms based in Noida, India42
- Security testing firms based in Sydney, Australia40
- Security testing firms based in San Francisco, United States36
- Security testing firms based in Austin, United States34
- Security testing firms based in Istanbul, Türkiye31
- Security testing firms based in Warsaw, Poland28
- Security testing firms based in Manchester, United Kingdom27
- Security testing firms based in Atlanta, United States26
- Security testing firms based in Chicago, 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 “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 7,277 company matches for security testing 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 security testing firms?
The United States leads with 1,351 companies, followed by India (875) and the United Kingdom (490). 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 185 company records, followed by Bangalore (105) and Pune (81).
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 22,351 professional contacts with verified work emails tracked across these 7,277 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 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 7,277 matching company records for security testing firms worldwide, with 90,157 tracked contacts and 22,351 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 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.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 |  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. | |||||
| 3 |  A1qaa1qa.comHQ: Decatur, United StatesReported employees: 1,001-5,000 | Decatur, United States | 1,001-5,000 | Exact match | 1,071 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  Trustwave, A Levelblue Companylevelblue.comHQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 733 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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. | |||||
| 7 |  Intigritiintigriti.comHQ: Antwerp, BelgiumReported employees: Not recorded | Antwerp, Belgium | Not recorded | Exact match | 672 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Netspinetspi.comHQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 608 contacts → |
“NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  TTC Globalttcglobal.comHQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 576 contacts → |
“TTC Global, formerly The Testing Consultancy, is a leading software assurance and testing services provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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. | |||||
| 11 |  Resillionresillion.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 426 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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. | |||||
| 13 |  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. | |||||
| 14 |  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. | |||||
| 15 |  Talakunchi Networks PVT LTDtalakunchi.comHQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 355 contacts → |
“T A L A K U N C H I Networks Pvt.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Invictiinvicti.comHQ: Austin, United StatesReported employees: 201-500 | Austin, United States | 201-500 | Exact match | 347 contacts → |
“Invicti is transforming the way web applications are secured.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Techdefencetechdefencelabs.comHQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 346 contacts → |
“TechDefence Labs (TechD Cybersecurity Limited) Award-winning | Innovative | Visionary We empower organizations across the globe to secure their applications, networks, and digital…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Nviso Securitynviso.euHQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 341 contacts → |
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Cobaltcobalt.ioHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 335 contacts → |
“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Prescient Securityprescientsecurity.comHQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 317 contacts → |
“Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Portswiggerportswigger.netHQ: Knutsford, United KingdomReported employees: 51-200 | Knutsford, United Kingdom | 51-200 | Exact match | 288 contacts → |
“PortSwigger is a global leader in the creation of software tools for security testing of web applications.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Opliumoplium.comHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 274 contacts → |
“We are a young company, founded in 2019 in Brazil, with the aim of bringing an innovative approach to the information security market, with state-of-the-art proprietary and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cymulatecymulate.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 271 contacts → |
“Designed for companies that want to manage their security posture against the evolving threat landscape.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Aikido Securityaikido.devHQ: Ghent, BelgiumReported employees: 201-500 | Ghent, Belgium | 201-500 | Exact match | 259 contacts → |
“Software development has changed.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  AKS Information Technology Servicesaksitservices.co.inHQ: Noida, IndiaReported employees: 201-500 | Noida, India | 201-500 | Exact match | 258 contacts → |
“AKS IT Services (an ISO 9001:2015 and ISO 27001:2013 certified company) is a leading IT Security Services and Solutions provider with over 7500 clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,277 company matches
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Security testing 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
7,262 records in the displayed employee bands.
15 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 7,277 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 ↗
Security testing firms by location
55 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 States1,351
- Security testing firms based in India875
- Security testing firms based in the United Kingdom490
- Security testing firms based in Brazil203
- Security testing firms based in France202
- Security testing firms based in Germany191
- Security testing firms based in Canada179
- Security testing firms based in Australia169
- Security testing firms based in the Netherlands152
- Security testing firms based in the United Arab Emirates87
- Security testing firms based in Spain85
- Security testing firms based in Türkiye85
- Security testing firms based in Poland82
- Security testing firms based in Israel78
- Security testing firms based in Italy74
- Security testing firms based in South Africa64
- Security testing firms based in Indonesia62
- Security testing firms based in Switzerland61
- Security testing firms based in Mexico51
- Security testing firms based in Belgium49
- Security testing firms based in Sweden43
- Security testing firms based in Colombia40
- Security testing firms based in Austria38
- Security testing firms based in Chile37
- Security testing firms based in Czechia37
- Security testing firms based in New Zealand37
- Security testing firms based in Ukraine35
- Security testing firms based in Romania33
- Security testing firms based in Saudi Arabia32
- Security testing firms based in Ireland31
- Security testing firms based in Estonia30
- Security testing firms based in Portugal28
- Security testing firms based in Japan25
- Security testing firms based in Malaysia25
Cities
- Security testing firms based in London, United Kingdom183
- Security testing firms based in Bangalore, India105
- Security testing firms based in Pune, India81
- Security testing firms based in Sao Paulo, Brazil71
- Security testing firms based in Hyderabad, India66
- Security testing firms based in Paris, France64
- Security testing firms based in New York, United States58
- Security testing firms based in Toronto, Canada52
- Security testing firms based in Dubai, United Arab Emirates50
- Security testing firms based in Mumbai, India46
- Security testing firms based in Ahmedabad, India45
- Security testing firms based in Melbourne, Australia45
- Security testing firms based in Noida, India42
- Security testing firms based in Sydney, Australia40
- Security testing firms based in San Francisco, United States36
- Security testing firms based in Austin, United States34
- Security testing firms based in Istanbul, Türkiye31
- Security testing firms based in Warsaw, Poland28
- Security testing firms based in Manchester, United Kingdom27
- Security testing firms based in Atlanta, United States26
- Security testing firms based in Chicago, United States25
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 7,277 matching company records, 90,157 tracked contacts and 22,351 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 security testing firms worldwide. Snapshot: November 5, 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 7,277 matching company records for security testing firms worldwide, with 90,157 tracked contacts and 22,351 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 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 | 13,149 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 | 1,346 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. | |||||
| 3 | A1qaa1qa.com HQ: Decatur, United StatesReported employees: 1,001-5,000 | Decatur, United States | 1,001-5,000 | Exact match | 1,071 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Trustwave, A Levelblue Companylevelblue.com HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 733 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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. | |||||
| 7 | Intigritiintigriti.com HQ: Antwerp, BelgiumReported employees: Not recorded | Antwerp, Belgium | Not recorded | Exact match | 672 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Netspinetspi.com HQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 608 contacts → |
“NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | TTC Globalttcglobal.com HQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 576 contacts → |
“TTC Global, formerly The Testing Consultancy, is a leading software assurance and testing services provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | Resillionresillion.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 426 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | Talakunchi Networks PVT LTDtalakunchi.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 355 contacts → |
“T A L A K U N C H I Networks Pvt.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Invictiinvicti.com HQ: Austin, United StatesReported employees: 201-500 | Austin, United States | 201-500 | Exact match | 347 contacts → |
“Invicti is transforming the way web applications are secured.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Techdefencetechdefencelabs.com HQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 346 contacts → |
“TechDefence Labs (TechD Cybersecurity Limited) Award-winning | Innovative | Visionary We empower organizations across the globe to secure their applications, networks, and digital…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Nviso Securitynviso.eu HQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 341 contacts → |
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cobaltcobalt.io HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 335 contacts → |
“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Prescient Securityprescientsecurity.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 317 contacts → |
“Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Portswiggerportswigger.net HQ: Knutsford, United KingdomReported employees: 51-200 | Knutsford, United Kingdom | 51-200 | Exact match | 288 contacts → |
“PortSwigger is a global leader in the creation of software tools for security testing of web applications.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Opliumoplium.com HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 274 contacts → |
“We are a young company, founded in 2019 in Brazil, with the aim of bringing an innovative approach to the information security market, with state-of-the-art proprietary and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cymulatecymulate.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 271 contacts → |
“Designed for companies that want to manage their security posture against the evolving threat landscape.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Aikido Securityaikido.dev HQ: Ghent, BelgiumReported employees: 201-500 | Ghent, Belgium | 201-500 | Exact match | 259 contacts → |
“Software development has changed.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | AKS Information Technology Servicesaksitservices.co.in HQ: Noida, IndiaReported employees: 201-500 | Noida, India | 201-500 | Exact match | 258 contacts → |
“AKS IT Services (an ISO 9001:2015 and ISO 27001:2013 certified company) is a leading IT Security Services and Solutions provider with over 7500 clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,277 company matches
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Security testing 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
7,262 records in the displayed employee bands.
15 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 7,277 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 ↗
Security testing firms by location
55 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 States1,351
- Security testing firms based in India875
- Security testing firms based in the United Kingdom490
- Security testing firms based in Brazil203
- Security testing firms based in France202
- Security testing firms based in Germany191
- Security testing firms based in Canada179
- Security testing firms based in Australia169
- Security testing firms based in the Netherlands152
- Security testing firms based in the United Arab Emirates87
- Security testing firms based in Spain85
- Security testing firms based in Türkiye85
- Security testing firms based in Poland82
- Security testing firms based in Israel78
- Security testing firms based in Italy74
- Security testing firms based in South Africa64
- Security testing firms based in Indonesia62
- Security testing firms based in Switzerland61
- Security testing firms based in Mexico51
- Security testing firms based in Belgium49
- Security testing firms based in Sweden43
- Security testing firms based in Colombia40
- Security testing firms based in Austria38
- Security testing firms based in Chile37
- Security testing firms based in Czechia37
- Security testing firms based in New Zealand37
- Security testing firms based in Ukraine35
- Security testing firms based in Romania33
- Security testing firms based in Saudi Arabia32
- Security testing firms based in Ireland31
- Security testing firms based in Estonia30
- Security testing firms based in Portugal28
- Security testing firms based in Japan25
- Security testing firms based in Malaysia25
Cities
- Security testing firms based in London, United Kingdom183
- Security testing firms based in Bangalore, India105
- Security testing firms based in Pune, India81
- Security testing firms based in Sao Paulo, Brazil71
- Security testing firms based in Hyderabad, India66
- Security testing firms based in Paris, France64
- Security testing firms based in New York, United States58
- Security testing firms based in Toronto, Canada52
- Security testing firms based in Dubai, United Arab Emirates50
- Security testing firms based in Mumbai, India46
- Security testing firms based in Ahmedabad, India45
- Security testing firms based in Melbourne, Australia45
- Security testing firms based in Noida, India42
- Security testing firms based in Sydney, Australia40
- Security testing firms based in San Francisco, United States36
- Security testing firms based in Austin, United States34
- Security testing firms based in Istanbul, Türkiye31
- Security testing firms based in Warsaw, Poland28
- Security testing firms based in Manchester, United Kingdom27
- Security testing firms based in Atlanta, United States26
- Security testing firms based in Chicago, United States25
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 7,277 matching company records, 90,157 tracked contacts and 22,351 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 security testing firms worldwide. Snapshot: November 5, 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 ↗