Company lists · Data refreshed November 2026
Top 25 Security research firms worldwide
RevenueBase identified 12,430 company matches for security research firms worldwide as of November 2026 and tracks 164,802 professional contacts across them, including 42,639 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security research 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 research 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 research firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,149 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 3,342 contacts → | ||||
Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 2,171 contacts → | ||||
Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 1,514 contacts → | ||||
Exact match “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 1,080 contacts → | ||||
Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 989 contacts → | ||||
Exact match “Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 966 contacts → | ||||
Exact match “Founded in 1989, Terrier Security Services is a leading integrated security provider in India, with over guards and 2,480 secured sites.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 842 contacts → | ||||
Exact match “STR is driven to deliver impact.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 823 contacts → | ||||
Exact match “Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 822 contacts → | ||||
Exact match “India's #1 Integrated Examination Security & Surveillance Solutions provider.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 755 contacts → | ||||
Exact match “SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 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 | |||||
| 14 | 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 | |||||
| 15 | 687 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 677 contacts → | ||||
Exact match “Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 676 contacts → | ||||
Exact match “Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 635 contacts → | ||||
Exact match “Omegapoint hjälper dig att utveckla och cybersäkra din digitala verksamhet.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 624 contacts → | ||||
Exact match “Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 623 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 617 contacts → | ||||
Exact match “Advens is a European, independent and outstanding leader in cybersecurity.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 585 contacts → | ||||
Exact match “Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 569 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 558 contacts → | ||||
Exact match “Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 516 contacts → | ||||
Exact match “SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” 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 research 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 12,430 security research firms worldwide
See the full list, filter by size, metro and specialty, and access 42,639 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security research 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 research firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security research 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 42,639 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 research firms by location
101 lists · largest firstEvery Security research firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security research firms based in the United States2,697
- Security research firms based in India1,053
- Security research firms based in the United Kingdom856
- Security research firms based in Australia400
- Security research firms based in France387
- Security research firms based in Brazil374
- Security research firms based in Canada354
- Security research firms based in Germany324
- Security research firms based in the Netherlands243
- Security research firms based in Italy183
- Security research firms based in the United Arab Emirates181
- Security research firms based in Spain175
- Security research firms based in Israel136
- Security research firms based in South Africa134
- Security research firms based in Türkiye127
- Security research firms based in Switzerland124
- Security research firms based in Sweden110
- Security research firms based in Mexico109
- Security research firms based in Poland98
- Security research firms based in Nigeria88
- Security research firms based in Colombia87
- Security research firms based in Belgium82
- Security research firms based in Indonesia79
- Security research firms based in Chile76
- Security research firms based in Argentina60
- Security research firms based in Saudi Arabia56
- Security research firms based in Austria55
- Security research firms based in New Zealand52
- Security research firms based in Czechia48
- Security research firms based in Malaysia44
- Security research firms based in Romania44
- Security research firms based in Denmark43
- Security research firms based in Ireland42
- Security research firms based in Morocco41
- Security research firms based in Portugal40
- Security research firms based in Ukraine38
- Security research firms based in Estonia35
- Security research firms based in Hungary35
- Security research firms based in Japan35
- Security research firms based in Peru35
- Security research firms based in Egypt31
- Security research firms based in Greece31
- Security research firms based in Bulgaria30
- Security research firms based in Hong Kong29
Cities
- Security research firms based in London, United Kingdom344
- Security research firms based in Sao Paulo, Brazil146
- Security research firms based in Paris, France133
- Security research firms based in Bangalore, India119
- Security research firms based in New York, United States107
- Security research firms based in Dubai, United Arab Emirates106
- Security research firms based in Pune, India96
- Security research firms based in Melbourne, Australia90
- Security research firms based in Sydney, Australia87
- Security research firms based in Toronto, Canada86
- Security research firms based in Hyderabad, India84
- Security research firms based in Mumbai, India70
- Security research firms based in Austin, United States60
- Security research firms based in New Delhi, India57
- Security research firms based in Chennai, India56
- Security research firms based in Washington, United States55
- Security research firms based in Madrid, Spain53
- Security research firms based in San Francisco, United States52
- Security research firms based in Stockholm, Sweden52
- Security research firms based in Noida, India51
- Security research firms based in Atlanta, United States48
- Security research firms based in Istanbul, Türkiye47
- Security research firms based in Dallas, United States46
- Security research firms based in Chicago, United States44
- Security research firms based in Ahmedabad, India43
- Security research firms based in Warsaw, Poland43
- Security research firms based in Houston, United States42
- Security research firms based in Tel Aviv, Israel41
- Security research firms based in Miami, United States40
- Security research firms based in Montreal, Canada40
- Security research firms based in Berlin, Germany39
- Security research firms based in Ottawa, Canada39
- Security research firms based in Riyadh, Saudi Arabia38
- Security research firms based in Gurgaon, India36
- Security research firms based in Mexico City, Mexico35
- Security research firms based in Los Angeles, United States34
- Security research firms based in Rio De Janeiro, Brazil34
- Security research firms based in Manchester, United Kingdom33
- Security research firms based in Arlington, United States32
- Security research firms based in Denver, United States32
- Security research firms based in Bogota, Colombia30
- Security research firms based in Charlotte, United States30
- Security research firms based in Rome, Italy30
- Security research firms based in Seattle, United States30
- Security research firms based in Brisbane, Australia29
- Security research firms based in Canberra, Australia29
- Security research firms based in Tallinn, Estonia29
- Security research firms based in San Diego, United States28
- Security research firms based in Columbia, United States27
- Security research firms based in Prague, Czechia27
- Security research firms based in Tampa, United States27
- Security research firms based in Munich, Germany26
- Security research firms based in Boston, United States25
- Security research firms based in Cape Town, South Africa25
- Security research firms based in Milan, Italy25
- Security research firms based in Reston, United States25
- Security research firms based in Santiago, Chile25
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 research firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security research firms are there worldwide?
RevenueBase identified 12,430 company matches for security research 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 research firms?
The United States leads with 2,697 companies, followed by India (1,053) and the United Kingdom (856). Every security research firms list by country and city is linked on this page.
Which city has the most security research firms?
London leads with 349 company records, followed by Sao Paulo (146) and Paris (133).
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 42,639 professional contacts with verified work emails tracked across these 12,430 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.
Ready to reach these companies? Verified emails and direct dials for all 12,430 security research firms worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 security research 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 12,430 matching company records for security research firms worldwide, with 164,802 tracked contacts and 42,639 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 research firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Private Sectorlockervault.comHQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 13,149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  Bugcrowdbugcrowd.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,342 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  OPTIVoptiv.comHQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,171 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Site سايتsite.saHQ: Al Nakheel, Saudi ArabiaReported employees: 501-1,000 | Al Nakheel, Saudi Arabia | 501-1,000 | Exact match | 1,514 contacts → |
“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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. | |||||
| 6 |  Brosnan Risk Consultantsbrosnanrisk.comHQ: Pearl River, CA, United StatesReported employees: 5,001-10,000 | Pearl River, CA, United States | 5,001-10,000 | Exact match | 1,080 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ensign Infosecurityensigninfosecurity.comHQ: Kuala, SingaporeReported employees: 501-1,000 | Kuala, Singapore | 501-1,000 | Exact match | 989 contacts → |
“Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Terrier Security Servicesterrier.co.inHQ: Bangalore, IndiaReported employees: 10001+ | Bangalore, India | 10001+ | Exact match | 966 contacts → |
“Founded in 1989, Terrier Security Services is a leading integrated security provider in India, with over guards and 2,480 secured sites.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  STRstr.usHQ: Woburn, FL, United StatesReported employees: 501-1,000 | Woburn, FL, United States | 501-1,000 | Exact match | 842 contacts → |
“STR is driven to deliver impact.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  PSUpsuchina.com.cnHQ: Beijing, ChinaReported employees: Not recorded | Beijing, China | Not recorded | Exact match | 823 contacts → |
“Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Innovativiewinnovatiview.comHQ: Noida, IndiaReported employees: 501-1,000 | Noida, India | 501-1,000 | Exact match | 822 contacts → |
“India's #1 Integrated Examination Security & Surveillance Solutions provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  SISAsisa.aiHQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 755 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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. | |||||
| 14 |  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. | |||||
| 15 |  I-Tracingi-tracing.comHQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 687 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Halogen Grouphalogen-group.comHQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 677 contacts → |
“Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Telos Corporationtelos.comHQ: Ashburn, VA, United StatesReported employees: 501-1,000 | Ashburn, VA, United States | 501-1,000 | Exact match | 676 contacts → |
“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Omegapointomegapoint.seHQ: Stockholm, SwedenReported employees: 501-1,000 | Stockholm, Sweden | 501-1,000 | Exact match | 635 contacts → |
“Omegapoint hjälper dig att utveckla och cybersäkra din digitala verksamhet.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Group-Ibgroup-ib.comHQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 624 contacts → |
“Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ultraviolet Cyberuvcyber.comHQ: Mclean, AZ, United StatesReported employees: 501-1,000 | Mclean, AZ, United States | 501-1,000 | Exact match | 623 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Advensadvens.comHQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 617 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Security Alliancesecurityalliancegroup.comHQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 585 contacts → |
“Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  horizon3.aihorizon3.aiHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 569 contacts → |
“Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  own.securityown.securityHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 558 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Securityhqsecurityhq.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 516 contacts → |
“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 12,430 company matches
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Security research 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
12,393 records in the displayed employee bands.
37 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 12,430 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 research firms by location
101 lists · largest firstEvery Security research firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security research firms based in the United States2,697
- Security research firms based in India1,053
- Security research firms based in the United Kingdom856
- Security research firms based in Australia400
- Security research firms based in France387
- Security research firms based in Brazil374
- Security research firms based in Canada354
- Security research firms based in Germany324
- Security research firms based in the Netherlands243
- Security research firms based in Italy183
- Security research firms based in the United Arab Emirates181
- Security research firms based in Spain175
- Security research firms based in Israel136
- Security research firms based in South Africa134
- Security research firms based in Türkiye127
- Security research firms based in Switzerland124
- Security research firms based in Sweden110
- Security research firms based in Mexico109
- Security research firms based in Poland98
- Security research firms based in Nigeria88
- Security research firms based in Colombia87
- Security research firms based in Belgium82
- Security research firms based in Indonesia79
- Security research firms based in Chile76
- Security research firms based in Argentina60
- Security research firms based in Saudi Arabia56
- Security research firms based in Austria55
- Security research firms based in New Zealand52
- Security research firms based in Czechia48
- Security research firms based in Malaysia44
- Security research firms based in Romania44
- Security research firms based in Denmark43
- Security research firms based in Ireland42
- Security research firms based in Morocco41
- Security research firms based in Portugal40
- Security research firms based in Ukraine38
- Security research firms based in Estonia35
- Security research firms based in Hungary35
- Security research firms based in Japan35
- Security research firms based in Peru35
- Security research firms based in Egypt31
- Security research firms based in Greece31
- Security research firms based in Bulgaria30
- Security research firms based in Hong Kong29
Cities
- Security research firms based in London, United Kingdom344
- Security research firms based in Sao Paulo, Brazil146
- Security research firms based in Paris, France133
- Security research firms based in Bangalore, India119
- Security research firms based in New York, United States107
- Security research firms based in Dubai, United Arab Emirates106
- Security research firms based in Pune, India96
- Security research firms based in Melbourne, Australia90
- Security research firms based in Sydney, Australia87
- Security research firms based in Toronto, Canada86
- Security research firms based in Hyderabad, India84
- Security research firms based in Mumbai, India70
- Security research firms based in Austin, United States60
- Security research firms based in New Delhi, India57
- Security research firms based in Chennai, India56
- Security research firms based in Washington, United States55
- Security research firms based in Madrid, Spain53
- Security research firms based in San Francisco, United States52
- Security research firms based in Stockholm, Sweden52
- Security research firms based in Noida, India51
- Security research firms based in Atlanta, United States48
- Security research firms based in Istanbul, Türkiye47
- Security research firms based in Dallas, United States46
- Security research firms based in Chicago, United States44
- Security research firms based in Ahmedabad, India43
- Security research firms based in Warsaw, Poland43
- Security research firms based in Houston, United States42
- Security research firms based in Tel Aviv, Israel41
- Security research firms based in Miami, United States40
- Security research firms based in Montreal, Canada40
- Security research firms based in Berlin, Germany39
- Security research firms based in Ottawa, Canada39
- Security research firms based in Riyadh, Saudi Arabia38
- Security research firms based in Gurgaon, India36
- Security research firms based in Mexico City, Mexico35
- Security research firms based in Los Angeles, United States34
- Security research firms based in Rio De Janeiro, Brazil34
- Security research firms based in Manchester, United Kingdom33
- Security research firms based in Arlington, United States32
- Security research firms based in Denver, United States32
- Security research firms based in Bogota, Colombia30
- Security research firms based in Charlotte, United States30
- Security research firms based in Rome, Italy30
- Security research firms based in Seattle, United States30
- Security research firms based in Brisbane, Australia29
- Security research firms based in Canberra, Australia29
- Security research firms based in Tallinn, Estonia29
- Security research firms based in San Diego, United States28
- Security research firms based in Columbia, United States27
- Security research firms based in Prague, Czechia27
- Security research firms based in Tampa, United States27
- Security research firms based in Munich, Germany26
- Security research firms based in Boston, United States25
- Security research firms based in Cape Town, South Africa25
- Security research firms based in Milan, Italy25
- Security research firms based in Reston, United States25
- Security research firms based in Santiago, Chile25
Questions about this company list
What does Exact match mean for security research 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 research firms did RevenueBase find worldwide?
The saved snapshot records 12,430 matching company records, 164,802 tracked contacts and 42,639 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 research firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/security-research-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 research firms worldwide
RevenueBase records 12,430 matching company records for security research firms worldwide, with 164,802 tracked contacts and 42,639 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 research firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 13,149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Bugcrowdbugcrowd.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,342 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | OPTIVoptiv.com HQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,171 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Site سايتsite.sa HQ: Al Nakheel, Saudi ArabiaReported employees: 501-1,000 | Al Nakheel, Saudi Arabia | 501-1,000 | Exact match | 1,514 contacts → |
“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | Brosnan Risk Consultantsbrosnanrisk.com HQ: Pearl River, CA, United StatesReported employees: 5,001-10,000 | Pearl River, CA, United States | 5,001-10,000 | Exact match | 1,080 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ensign Infosecurityensigninfosecurity.com HQ: Kuala, SingaporeReported employees: 501-1,000 | Kuala, Singapore | 501-1,000 | Exact match | 989 contacts → |
“Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Terrier Security Servicesterrier.co.in HQ: Bangalore, IndiaReported employees: 10001+ | Bangalore, India | 10001+ | Exact match | 966 contacts → |
“Founded in 1989, Terrier Security Services is a leading integrated security provider in India, with over guards and 2,480 secured sites.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | STRstr.us HQ: Woburn, FL, United StatesReported employees: 501-1,000 | Woburn, FL, United States | 501-1,000 | Exact match | 842 contacts → |
“STR is driven to deliver impact.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | PSUpsuchina.com.cn HQ: Beijing, ChinaReported employees: Not recorded | Beijing, China | Not recorded | Exact match | 823 contacts → |
“Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Innovativiewinnovatiview.com HQ: Noida, IndiaReported employees: 501-1,000 | Noida, India | 501-1,000 | Exact match | 822 contacts → |
“India's #1 Integrated Examination Security & Surveillance Solutions provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SISAsisa.ai HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 755 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | I-Tracingi-tracing.com HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 687 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Halogen Grouphalogen-group.com HQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 677 contacts → |
“Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Telos Corporationtelos.com HQ: Ashburn, VA, United StatesReported employees: 501-1,000 | Ashburn, VA, United States | 501-1,000 | Exact match | 676 contacts → |
“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Omegapointomegapoint.se HQ: Stockholm, SwedenReported employees: 501-1,000 | Stockholm, Sweden | 501-1,000 | Exact match | 635 contacts → |
“Omegapoint hjälper dig att utveckla och cybersäkra din digitala verksamhet.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Group-Ibgroup-ib.com HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 624 contacts → |
“Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ultraviolet Cyberuvcyber.com HQ: Mclean, AZ, United StatesReported employees: 501-1,000 | Mclean, AZ, United States | 501-1,000 | Exact match | 623 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Advensadvens.com HQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 617 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Security Alliancesecurityalliancegroup.com HQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 585 contacts → |
“Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | horizon3.aihorizon3.ai HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 569 contacts → |
“Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | own.securityown.security HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 558 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Securityhqsecurityhq.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 516 contacts → |
“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 12,430 company matches
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Security research 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
12,393 records in the displayed employee bands.
37 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 12,430 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 research firms by location
101 lists · largest firstEvery Security research firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security research firms based in the United States2,697
- Security research firms based in India1,053
- Security research firms based in the United Kingdom856
- Security research firms based in Australia400
- Security research firms based in France387
- Security research firms based in Brazil374
- Security research firms based in Canada354
- Security research firms based in Germany324
- Security research firms based in the Netherlands243
- Security research firms based in Italy183
- Security research firms based in the United Arab Emirates181
- Security research firms based in Spain175
- Security research firms based in Israel136
- Security research firms based in South Africa134
- Security research firms based in Türkiye127
- Security research firms based in Switzerland124
- Security research firms based in Sweden110
- Security research firms based in Mexico109
- Security research firms based in Poland98
- Security research firms based in Nigeria88
- Security research firms based in Colombia87
- Security research firms based in Belgium82
- Security research firms based in Indonesia79
- Security research firms based in Chile76
- Security research firms based in Argentina60
- Security research firms based in Saudi Arabia56
- Security research firms based in Austria55
- Security research firms based in New Zealand52
- Security research firms based in Czechia48
- Security research firms based in Malaysia44
- Security research firms based in Romania44
- Security research firms based in Denmark43
- Security research firms based in Ireland42
- Security research firms based in Morocco41
- Security research firms based in Portugal40
- Security research firms based in Ukraine38
- Security research firms based in Estonia35
- Security research firms based in Hungary35
- Security research firms based in Japan35
- Security research firms based in Peru35
- Security research firms based in Egypt31
- Security research firms based in Greece31
- Security research firms based in Bulgaria30
- Security research firms based in Hong Kong29
Cities
- Security research firms based in London, United Kingdom344
- Security research firms based in Sao Paulo, Brazil146
- Security research firms based in Paris, France133
- Security research firms based in Bangalore, India119
- Security research firms based in New York, United States107
- Security research firms based in Dubai, United Arab Emirates106
- Security research firms based in Pune, India96
- Security research firms based in Melbourne, Australia90
- Security research firms based in Sydney, Australia87
- Security research firms based in Toronto, Canada86
- Security research firms based in Hyderabad, India84
- Security research firms based in Mumbai, India70
- Security research firms based in Austin, United States60
- Security research firms based in New Delhi, India57
- Security research firms based in Chennai, India56
- Security research firms based in Washington, United States55
- Security research firms based in Madrid, Spain53
- Security research firms based in San Francisco, United States52
- Security research firms based in Stockholm, Sweden52
- Security research firms based in Noida, India51
- Security research firms based in Atlanta, United States48
- Security research firms based in Istanbul, Türkiye47
- Security research firms based in Dallas, United States46
- Security research firms based in Chicago, United States44
- Security research firms based in Ahmedabad, India43
- Security research firms based in Warsaw, Poland43
- Security research firms based in Houston, United States42
- Security research firms based in Tel Aviv, Israel41
- Security research firms based in Miami, United States40
- Security research firms based in Montreal, Canada40
- Security research firms based in Berlin, Germany39
- Security research firms based in Ottawa, Canada39
- Security research firms based in Riyadh, Saudi Arabia38
- Security research firms based in Gurgaon, India36
- Security research firms based in Mexico City, Mexico35
- Security research firms based in Los Angeles, United States34
- Security research firms based in Rio De Janeiro, Brazil34
- Security research firms based in Manchester, United Kingdom33
- Security research firms based in Arlington, United States32
- Security research firms based in Denver, United States32
- Security research firms based in Bogota, Colombia30
- Security research firms based in Charlotte, United States30
- Security research firms based in Rome, Italy30
- Security research firms based in Seattle, United States30
- Security research firms based in Brisbane, Australia29
- Security research firms based in Canberra, Australia29
- Security research firms based in Tallinn, Estonia29
- Security research firms based in San Diego, United States28
- Security research firms based in Columbia, United States27
- Security research firms based in Prague, Czechia27
- Security research firms based in Tampa, United States27
- Security research firms based in Munich, Germany26
- Security research firms based in Boston, United States25
- Security research firms based in Cape Town, South Africa25
- Security research firms based in Milan, Italy25
- Security research firms based in Reston, United States25
- Security research firms based in Santiago, Chile25
Questions about this company list
What does Exact match mean for security research 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 research firms did RevenueBase find worldwide?
The saved snapshot records 12,430 matching company records, 164,802 tracked contacts and 42,639 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 research firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/security-research-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗