Company lists · Data refreshed September 2026

Top 25 Threat intelligence firms worldwide

RevenueBase identified 4,401 company matches for threat intelligence firms worldwide as of September 2026 and tracks 102,197 professional contacts across them, including 31,996 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for threat intelligence firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026. Country and city lists for threat intelligence 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
4,401Companies
102,197Contacts tracked
31,996Verified emails
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The 25 largest threat intelligence firms worldwide

Ranked by team size
Top 25 of 4,401 company matches for threat intelligence firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchUnited StatesHQ recorded Sep 22, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchYoyogi, JapanHQ recorded Sep 22, 20265,001-10,0004,942 contacts →

Exact match

“We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchAbingdon, United KingdomHQ recorded Sep 22, 20265,001-10,0004,925 contacts →

Exact match

“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchPlano, TX, United StatesHQ recorded Sep 22, 20261,001-5,0003,447 contacts →

Exact match

“Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchBucuresti, RomaniaHQ recorded Sep 22, 20261,001-5,0002,172 contacts →

Exact match

“Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Sep 22, 20261,001-5,0001,773 contacts →

Exact match

“Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchReston, VA, United StatesHQ recorded Sep 22, 20261,001-5,0001,232 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Sep 22, 2026501-1,0001,030 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchBaltimore, MD, United StatesHQ recorded Sep 22, 2026501-1,000904 contacts →

Exact match

“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchBroomfield, CO, United StatesHQ recorded Sep 22, 2026501-1,000876 contacts →

Exact match

“Exabeam is the leader in Behavior Intelligence for the agentic enterprise.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Sep 22, 2026501-1,000874 contacts →

Exact match

“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 22, 2026501-1,000752 contacts →

Exact match

“Bitsight is the global leader in cyber risk intelligence, leveraging advanced AI to empower organizations with precise insights derived from the industry’s most extensive external…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchBengaluru, IndiaHQ recorded Sep 22, 2026201-500743 contacts →

Exact match

“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchSan Jose, CA, United StatesHQ recorded Sep 22, 2026501-1,000651 contacts →

Exact match

“Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchCourbevoie, FranceHQ recorded Sep 22, 20261,001-5,000639 contacts →

Exact match

“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchHerndon, United StatesHQ recorded Sep 22, 20261,001-5,000636 contacts →

Exact match

“Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchCroydon, United KingdomHQ recorded Sep 22, 2026501-1,000608 contacts →

Exact match

“In a complex global landscape, leaders need accurate information and full context quickly.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchParis, ItalyHQ recorded Sep 22, 2026501-1,000586 contacts →

Exact match

“Advens is a European, independent and outstanding leader in cybersecurity.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 22, 20261,001-5,000543 contacts →

Exact match

“In a world drowning in data, we deliver clarity.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchSingaporeHQ recorded Sep 22, 2026501-1,000528 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 · Sep 22, 2026 · View company records in RevenueBase
21Exact matchMclean, VA, United StatesHQ recorded Sep 22, 2026501-1,000523 contacts →

Exact match

“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Sep 22, 202651-200506 contacts →

Exact match

“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 22, 2026501-1,000502 contacts →

Exact match

“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchThane, IndiaHQ recorded Sep 22, 2026501-1,000484 contacts →

Exact match

“At ProTechmanize, we’re committed to making cybersecurity simpler, stronger, and more future ready for the organizations we serve.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchBoca Raton, FL, United StatesHQ recorded Sep 22, 2026201-500462 contacts →

Exact match

“Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 4,401 threat intelligence firms worldwide

See the full list, filter by size, metro and specialty, and access 31,996 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Threat intelligence firms worldwide at a glance

As of Sep 22, 2026
31.3%Verified-email coverage
23.2Average contacts per company
11-50Median size (employees)
3.2%Largest-city concentration · London
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
2,176
11-50
1,555
51-200
467
201-500
109
501-1,000
41
1,001-5,000
34
5,001-10,000
11
10001+
7

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 threat intelligence firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “threat intelligence firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 31,996 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 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.

Threat intelligence firms by location

30 lists · largest first

Every Threat intelligence firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “threat intelligence firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many threat intelligence firms are there worldwide?

RevenueBase identified 4,401 company matches for threat intelligence firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Private Sector tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most threat intelligence firms?

The United States leads with 1,071 companies, followed by India (409) and the United Kingdom (275). Every threat intelligence firms list by country and city is linked on this page.

Which city has the most threat intelligence firms?

London leads with 142 company records, followed by Dubai (62) and New York (44).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 31,996 professional contacts with verified work emails tracked across these 4,401 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 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.