Company lists · Data refreshed November 2026

Top 25 IT security compliance firms worldwide

Name: IT security compliance firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 17,674 companies tracked

RevenueBase identified 17,674 company matches for IT security compliance firms worldwide as of November 2026 and tracks 190,029 professional contacts across them, including 56,376 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT security compliance 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 IT security compliance 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 Nov 5, 2026 How this list was built

17,674Companies

190,029Contacts tracked

56,376Verified emails

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The 25 largest IT security compliance firms worldwide

Ranked by team size

Top 25 of 17,674 company matches for IT security compliance firms 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Private Sector	Exact match	United StatesHQ recorded Nov 5, 2026	n/a	13,149 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 5, 2026	1,001-5,000	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
3	Sikich	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,918 contacts →
	Exact match “Sikich offers the public and private sectors a diverse platform of professional services across consulting, technology, and compliance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	ACA Group	Exact match	New York, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,660 contacts →
	Exact match “ACA Group is the leading governance, risk, and compliance advisor to the financial services industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Airbus Protect	Exact match	Blagnac, FranceHQ recorded Nov 5, 2026	1,001-5,000	1,515 contacts →
	Exact match “Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	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
7	Matrix Business Services India Private Limited	Exact match	Chennai, IndiaHQ recorded Nov 5, 2026	1,001-5,000	1,276 contacts →
	Exact match “Matrix is a passionate team of professionals providing People, Product, and Process assurance services for enterprises across different industry segments for better compliance and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Onet Sécurité	Exact match	Marseille, FranceHQ recorded Nov 5, 2026	10001+	1,142 contacts →
	Exact match “La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Navigant	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	5,001-10,000	1,124 contacts →
	Exact match “Guidehouse is a leading global provider of consulting services to the public and commercial markets with broad capabilities in management, technology, and risk consulting.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Synoptek	Exact match	Costa Mesa, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,062 contacts →
	Exact match “Synoptek is a leading global managed services provider and technology consulting firm that delivers transformative business results.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Coalfire	Exact match	Chicago, GA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	977 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 · Nov 5, 2026 · View company records in RevenueBase
12	Cyderes	Exact match	Kansas City, MO, United StatesHQ recorded Nov 5, 2026	1,001-5,000	909 contacts →
	Exact match “Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	A-Lign	Exact match	Tampa, FL, United StatesHQ recorded Nov 5, 2026	501-1,000	896 contacts →
	Exact match “A-LIGN is the leading provider of high-quality, efficient cybersecurity compliance programs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	PSU	Exact match	Beijing, ChinaHQ recorded Nov 5, 2026	n/a	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
15	Uniqus Consultech INC	Exact match	San Jose, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	813 contacts →
	Exact match “Uniqus Consultech is an AI and global tech-enabled consulting company that specializes in Accounting & Reporting Consulting, Governance, Risk & Compliance, Sustainability &…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Nov 5, 2026	1,001-5,000	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
17	Halogen Group	Exact match	Lagos, NigeriaHQ recorded Nov 5, 2026	501-1,000	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
18	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Nov 5, 2026	501-1,000	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
19	Vikingcloud	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	665 contacts →
	Exact match “VikingCloud delivers cybersecurity and compliance solutions that simply work.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Network Intelligence	Exact match	Plano, TX, United StatesHQ recorded Nov 5, 2026	501-1,000	658 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 · Nov 5, 2026 · View company records in RevenueBase
21	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	633 contacts →
	Exact match “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Aujas Cybersecurity	Exact match	Cupertino, United StatesHQ recorded Nov 5, 2026	1,001-5,000	514 contacts →
	Exact match “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Palo Alto Networks Unit 42	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	510 contacts →
	Exact match “Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Xcelerate Solutions	Exact match	Mclean, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	458 contacts →
	Exact match “At Xcelerate, safeguarding the nation isn’t just a mission-it’s our obsession.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Controlcase	Exact match	Fairfax, ON, United StatesHQ recorded Nov 5, 2026	201-500	437 contacts →
	Exact match “ControlCase is committed to bringing peace of mind to the world’s IT compliance programs through our signature partnership approach, commitment to automation, and cost-effective…” 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 “IT security compliance 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 17,674 IT security compliance firms worldwide

See the full list, filter by size, metro and specialty, and access 56,376 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT security compliance firms worldwide at a glance

As of Nov 5, 2026

29.7%Verified-email coverage

10.8Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

11,120

11-50

4,986

51-200

1,144

201-500

243

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 IT security compliance firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT security compliance 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 56,376 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.

IT security compliance firms by location

139 lists · largest first

Every IT security compliance 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 “IT security compliance firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT security compliance firms are there worldwide?

RevenueBase identified 17,674 company matches for IT security compliance 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 IT security compliance firms?

The United States leads with 4,441 companies, followed by India (1,110) and the United Kingdom (1,095). Every IT security compliance firms list by country and city is linked on this page.

Which city has the most IT security compliance firms?

London leads with 424 company records, followed by Sao Paulo (233) and Paris (192).

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 56,376 professional contacts with verified work emails tracked across these 17,674 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.