Company lists · Data refreshed October 2026

Top 25 Data security service providers worldwide

Name: Data security service providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 9,479 companies tracked

RevenueBase identified 9,479 company matches for data security service providers worldwide as of October 2026 and tracks 161,102 professional contacts across them, including 55,437 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data security service 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 October 1, 2026. Country and city lists for data security service 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 Oct 1, 2026 How this list was built

9,479Companies

161,102Contacts tracked

55,437Verified emails

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The 25 largest data security service providers worldwide

Ranked by team size

Top 25 of 9,479 company matches for data security service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Oct 1, 2026	10001+	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 · Oct 1, 2026 · View company records in RevenueBase
2	Private Sector	Exact match	United StatesHQ recorded Oct 1, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Veeam Software	Exact match	Seattle, WA, United StatesHQ recorded Oct 1, 2026	5,001-10,000	6,262 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Varonis	Exact match	Miami, FL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,715 contacts →
	Exact match “Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,222 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 · Oct 1, 2026 · View company records in RevenueBase
6	Digicert	Exact match	Lehi, UT, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,767 contacts →
	Exact match “As the leading provider of digital trust, DigiCert solutions help you engage online with confidence, knowing your data and connections are secure.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Fortra	Exact match	Eden Prairie, MN, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,648 contacts →
	Exact match “Fortra delivers AI-amplified cybersecurity solutions that help organizations use and protect data with confidence.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Forcepoint	Exact match	Austin, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,636 contacts →
	Exact match “Forcepoint simplifies security for global businesses and governments.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Oct 1, 2026	501-1,000	1,378 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 · Oct 1, 2026 · View company records in RevenueBase
10	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,232 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 · Oct 1, 2026 · View company records in RevenueBase
11	Imperva	Exact match	Austin, TX, United StatesHQ recorded Oct 1, 2026	10001+	1,217 contacts →
	Exact match “On Dec.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	DRUVA	Exact match	Santa Clara, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,184 contacts →
	Exact match “Druva is the leading provider of data security solutions, empowering customers to secure and recover their data from all threats.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	CYERA	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,130 contacts →
	Exact match “Cyera is the industry-leading AI Security Platform.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Irdeto	Exact match	Hoofddorp, NetherlandsHQ recorded Oct 1, 2026	1,001-5,000	1,026 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 · Oct 1, 2026 · View company records in RevenueBase
15	Coalfire	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	947 contacts →
	Exact match “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	501-1,000	874 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 · Oct 1, 2026 · View company records in RevenueBase
17	Cyderes	Exact match	Kansas City, MO, United StatesHQ recorded Oct 1, 2026	1,001-5,000	844 contacts →
	Exact match “Today’s threatscape is relentless.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	SISA	Exact match	Bangalore, IndiaHQ recorded Oct 1, 2026	201-500	743 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 · Oct 1, 2026 · View company records in RevenueBase
19	IC Consult	Exact match	Munich, GermanyHQ recorded Oct 1, 2026	501-1,000	692 contacts →
	Exact match “Identity Excellence Delivered.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Network Intelligence	Exact match	Plano, TX, United StatesHQ recorded Oct 1, 2026	501-1,000	641 contacts →
	Exact match “At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Oct 1, 2026	1,001-5,000	639 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 · Oct 1, 2026 · View company records in RevenueBase
22	Vikingcloud	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	628 contacts →
	Exact match “VikingCloud delivers battle-tested cybersecurity and compliance solutions that simply work.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Secunet Security Networks AG	Exact match	Essen, GermanyHQ recorded Oct 1, 2026	1,001-5,000	623 contacts →
	Exact match “secunet – We are the Guardians of Europe's Digital Freedom.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	SSH Communications Security	Exact match	Helsinki, FinlandHQ recorded Oct 1, 2026	51-200	593 contacts →
	Exact match “We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Withsecure	Exact match	Helsinki, FinlandHQ recorded Oct 1, 2026	501-1,000	563 contacts →
	Exact match “WithSecure™ is Europe's cybersecurity partner of choice.” Recorded in the RevenueBase company graph · Oct 1, 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 “data security service providers”. 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 9,479 data security service providers worldwide

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Data security service providers worldwide at a glance

As of Oct 1, 2026

34.4%Verified-email coverage

17.0Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

5,097

11-50

3,251

51-200

812

201-500

178

501-1,000

1,001-5,000

5,001-10,000

10001+

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 data security service providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “data security service 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 55,437 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 October 1, 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.

Data security service providers by location

74 lists · largest first

Every Data security service 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 “data security service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data security service providers are there worldwide?

RevenueBase identified 9,479 company matches for data security service providers worldwide as of October 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 data security service providers?

The United States leads with 2,137 companies, followed by India (819) and the United Kingdom (502). Every data security service providers list by country and city is linked on this page.

Which city has the most data security service providers?

London leads with 194 company records, followed by Sao Paulo (122) and Dubai (112).

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 55,437 professional contacts with verified work emails tracked across these 9,479 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 October 1, 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.