Company lists · Data refreshed September 2026

Top 25 Cybersecurity investors worldwide

RevenueBase identified 1,617 company matches for cybersecurity investors worldwide as of September 2026 and tracks 38,398 professional contacts across them, including 15,544 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cybersecurity investors 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 28, 2026. Country and city lists for cybersecurity investors 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 28, 2026 How this list was built
1,617Companies
38,398Contacts tracked
15,544Verified emails
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The 25 largest cybersecurity investors worldwide

Ranked by team size
Top 25 of 1,617 company matches for cybersecurity investors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchSunnyvale, CA, United StatesHQ recorded Sep 28, 202610001+14,289 contacts →

Exact match

“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 2026n/a3,649 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 · Sep 28, 2026 · View company records in RevenueBase
3Exact matchPune, IndiaHQ recorded Sep 28, 20261,001-5,0001,510 contacts →

Exact match

“Quick Heal Technologies Limited is one of the leading providers of IT Security and Data Protection Solutions with a strong footprint in India and an evolving global presence.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Sep 28, 20261,001-5,0001,252 contacts →

Exact match

“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchHoofddorp, NetherlandsHQ recorded Sep 28, 20261,001-5,0001,026 contacts →

Exact match

“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchMilpitas, CA, United StatesHQ recorded Sep 28, 20261,001-5,000676 contacts →

Exact match

“We are now officially Trellix!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchParis, ItalyHQ recorded Sep 28, 2026501-1,000586 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
9Exact matchBochum, GermanyHQ recorded Sep 28, 2026501-1,000386 contacts →

Exact match

“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchBangalore, IndiaHQ recorded Sep 28, 2026201-500270 contacts →

Exact match

“SecurEyes is a global cybersecurity specialist firm offering advisory plus consulting services and reg-tech products solving for cybersecurity challenges so that business leaders…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 2026201-500211 contacts →

Exact match

“Vehere is an AI cyber defense company operating at the intersection of national security and enterprise security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchCastellón, SpainHQ recorded Sep 28, 2026201-500202 contacts →

Exact match

“Cuatroochenta es un grupo tecnológico internacional dedicado a adquirir, desarrollar e invertir en compañías innovadoras de tecnología, conocimiento especializado y ciberseguridad.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchAthens, GreeceHQ recorded Sep 28, 202651-200194 contacts →

Exact match

“CENSUS is a cybersecurity engineering powerhouse.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchPune, IndiaHQ recorded Sep 28, 20261,001-5,000192 contacts →

Exact match

“Seqrite is a leading enterprise cybersecurity solutions provider.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchRio De Janeiro, BrazilHQ recorded Sep 28, 2026201-500187 contacts →

Exact match

“A Clavis é uma plataforma de cibersegurança e privacidade de dados que associa uma mentalidade jovem à experiência de quase duas décadas de atuação no mercado.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchMclean, VA, United StatesHQ recorded Sep 28, 202651-200160 contacts →

Exact match

“Merlin is a powerful ecosystem of cybersecurity investment, innovation, technical expertise, and go-to-market acceleration with 25 years of experience working with the U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchRiverside, CA, United StatesHQ recorded Sep 28, 202651-200147 contacts →

Exact match

“Fidelis Security® is the industry innovator in proactive cyber defense, safeguarding modern IT for global enterprises with proactive XDR and CNAPP platforms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchKolkata, IndiaHQ recorded Sep 28, 202651-200131 contacts →

Exact match

“IEMLabs is an ISO 27001:2022, ISO 27032:2023 & ISO 9001:2015 certified, CERT-In empanelled, and CMMI L3 company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchToulouse, FranceHQ recorded Sep 28, 202651-200126 contacts →

Exact match

“Since January 2007, ITrust has been offering cybersecurity solutions and expertise in 6 different countries on the European market.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchMadrid, SpainHQ recorded Sep 28, 202651-200124 contacts →

Exact match

“Empresa de Ciberseguridad soportada en Datos.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchMill Valley, CA, United StatesHQ recorded Sep 28, 202611-50118 contacts →

Exact match

“YL Ventures is a venture capital firm dedicated exclusively to cybersecurity.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchEnglewood, CO, United StatesHQ recorded Sep 28, 202651-200114 contacts →

Exact match

“Rio Bravo Systems is a privately-equity backed holding company dedicated to investing in Enterprise IT Services & Cybsecurity companies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchChantilly, VA, United StatesHQ recorded Sep 28, 202651-200113 contacts →

Exact match

“Those who play with the devil's toys will be brought by degrees to wield his sword.~ R.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchOr Akiva, IsraelHQ recorded Sep 28, 2026201-500112 contacts →

Exact match

“High Sec Labs (HSL) develops high-quality, cyber-defense solutions in the field of network and peripheral isolation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026n/a106 contacts →

Exact match

“ShorePoint recognizes that cybersecurity is the challenge of our generation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,617 cybersecurity investors worldwide

See the full list, filter by size, metro and specialty, and access 15,544 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity investors worldwide at a glance

As of Sep 28, 2026
40.5%Verified-email coverage
23.7Average contacts per company
1-10Median size (employees)
2.8%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
918
11-50
510
51-200
133
201-500
21
501-1,000
13
1,001-5,000
11
5,001-10,000
6
10001+
3

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 cybersecurity investors are linked below.
What qualifies
Company records worldwide whose business descriptions match “cybersecurity investors” 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 15,544 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 28, 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.

Cybersecurity investors by location

10 lists · largest first

Every Cybersecurity investors 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 “cybersecurity investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity investors are there worldwide?

RevenueBase identified 1,617 company matches for cybersecurity investors 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?

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

Which country has the most cybersecurity investors?

The United States leads with 487 companies, followed by India (120) and the United Kingdom (83). Every cybersecurity investors list by country and city is linked on this page.

Which city has the most cybersecurity investors?

London leads with 45 company records, followed by New York (24) and Paris (24).

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 15,544 professional contacts with verified work emails tracked across these 1,617 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 28, 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.