Company lists · Data refreshed November 2026

Top 25 Security software and services providers worldwide

RevenueBase identified 20,795 company matches for security software and services providers worldwide as of November 2026 and tracks 581,917 professional contacts across them, including 171,326 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for security software and services providers 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 software and services providers 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 Nov 5, 2026 How this list was built
20,795Companies
581,917Contacts tracked
171,326Verified emails
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The 25 largest security software and services providers worldwide

Ranked by team size
Top 25 of 20,795 company matches for security software and services providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchSan Jose, CA, United StatesHQ recorded Nov 5, 202610001+142,934 contacts →

Exact match

“Cisco is the worldwide technology leader that is revolutionizing the way organizations connect and protect in the AI era.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSanta Clara, United StatesHQ recorded Nov 5, 202610001+21,906 contacts →

Exact match

“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSunnyvale, CA, United StatesHQ recorded Nov 5, 202610001+15,414 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 · Nov 5, 2026 · View company records in RevenueBase
4Exact matchSan Jose, CA, United StatesHQ recorded Nov 5, 202610001+11,878 contacts →

Exact match

“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchRemote, United StatesHQ recorded Nov 5, 20265,001-10,00011,304 contacts →

Exact match

“CrowdStrike (Nasdaq: CRWD), a global cybersecurity leader, has redefined modern security with the world’s most advanced cloud-native platform for protecting critical areas of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 5, 20261,001-5,0007,577 contacts →

Exact match

“Elm is the leading provider of innovative secure services & solutions to both public and private sectors in Saudi Arabia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchWaterloo, ON, CanadaHQ recorded Nov 5, 20261,001-5,0006,693 contacts →

Exact match

“Safe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAbingdon, United KingdomHQ recorded Nov 5, 20265,001-10,0005,283 contacts →

Exact match

“Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchHelsinki, FinlandHQ recorded Nov 5, 2026n/a4,921 contacts →

Exact match

“F-Secure is a human-first, AI-powered consumer cyber security experience company with 38 years of expertise in tackling digital threats.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchStadtkreis 1 Altstadt, FranceHQ recorded Nov 5, 20265,001-10,0004,047 contacts →

Exact match

“Our mission is simple – building a safer world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchNanterre, FranceHQ recorded Nov 5, 20261,001-5,0003,977 contacts →

Exact match

“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchPlano, TX, United StatesHQ recorded Nov 5, 20261,001-5,0003,510 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 · Nov 5, 2026 · View company records in RevenueBase
13Exact matchEden Prairie, United StatesHQ recorded Nov 5, 20261,001-5,0003,355 contacts →

Exact match

“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchFoster City, CA, United StatesHQ recorded Nov 5, 20261,001-5,0003,323 contacts →

Exact match

“Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMinneapolis, United StatesHQ recorded Nov 5, 20261,001-5,0003,163 contacts →

Exact match

“Entrust fights fraud and cyber threats with identity-centric security that protects people, devices, and data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchMountain View, CA, United StatesHQ recorded Nov 5, 20261,001-5,0003,154 contacts →

Exact match

“SentinelOne is the world's leading AI-powered cybersecurity platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBoston, United StatesHQ recorded Nov 5, 20261,001-5,0003,060 contacts →

Exact match

“Rapid7, Inc.(NASDAQ: RPD) is a global leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSouth Jordan, United StatesHQ recorded Nov 5, 20261,001-5,0002,822 contacts →

Exact match

“Ivanti is a global enterprise IT and security software company that provides the trusted data authority for AI-driven, autonomous endpoint management.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchYoyogi, JapanHQ recorded Nov 5, 20265,001-10,0002,797 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 · Nov 5, 2026 · View company records in RevenueBase
20Exact matchCampbell, CA, United StatesHQ recorded Nov 5, 20261,001-5,0002,408 contacts →

Exact match

“Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBucharest, RomaniaHQ recorded Nov 5, 20261,001-5,0002,274 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 · Nov 5, 2026 · View company records in RevenueBase
22Exact matchLeawood, KS, United StatesHQ recorded Nov 5, 20261,001-5,0002,171 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
23Exact matchSchaffhausen, SwitzerlandHQ recorded Nov 5, 20261,001-5,0002,155 contacts →

Exact match

“Acronis is a global cyber protection company delivering the only natively integrated cybersecurity, data protection, and infrastructure management platform for managed service…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Nov 5, 20261,001-5,0001,859 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 · Nov 5, 2026 · View company records in RevenueBase
25Exact matchBratislava, SlovakiaHQ recorded Nov 5, 20261,001-5,0001,833 contacts →

Exact match

“When technology enables progress, ESET is here to protect it.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 20,795 security software and services providers worldwide

See the full list, filter by size, metro and specialty, and access 171,326 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security software and services providers worldwide at a glance

As of Nov 5, 2026
29.4%Verified-email coverage
28.0Average contacts per company
1-10Median size (employees)
1.9%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
10,383
11-50
7,324
51-200
2,081
201-500
510
501-1,000
153
1,001-5,000
166
5,001-10,000
39
10001+
32

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 software and services providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “security software and services providers” 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 171,326 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 software and services providers by location

161 lists · largest first

Every Security software and services providers 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 “security software and services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many security software and services providers are there worldwide?

RevenueBase identified 20,795 company matches for security software and services providers 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?

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

Which country has the most security software and services providers?

The United States leads with 4,300 companies, followed by India (1,853) and the United Kingdom (1,134). Every security software and services providers list by country and city is linked on this page.

Which city has the most security software and services providers?

London leads with 395 company records, followed by Dubai (239) and Sao Paulo (235).

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 171,326 professional contacts with verified work emails tracked across these 20,795 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.