Company lists · Data refreshed September 2026

Top 25 Compliance and security consulting firms worldwide

Name: Compliance and security consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 20,529 companies tracked

RevenueBase identified 20,529 company matches for compliance and security consulting firms worldwide as of September 2026 and tracks 213,038 professional contacts across them, including 57,652 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for compliance and security consulting 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 27, 2026. Country and city lists for compliance and security consulting 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 27, 2026 How this list was built

20,529Companies

213,038Contacts tracked

57,652Verified emails

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The 25 largest compliance and security consulting firms worldwide

Ranked by team size

Top 25 of 20,529 company matches for compliance and security consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 Sep 27, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
3	SOVOS	Exact match	Wilmington, MA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,753 contacts →
	Exact match “Sovos provides businesses with the confidence needed to navigate an increasingly regulated world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Global Relay	Exact match	Vancouver, BC, CanadaHQ recorded Sep 27, 2026	1,001-5,000	1,658 contacts →
	Exact match “Global Relay is a leading provider of end-to-end recordkeeping solutions for the global financial sector and other highly regulated industries.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	ACA Group	Exact match	New York, NY, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,486 contacts →
	Exact match “ACA Group is the leading governance, risk, and compliance advisor to the financial services industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Airbus Protect	Exact match	Blagnac, FranceHQ recorded Sep 27, 2026	1,001-5,000	1,431 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 · Sep 27, 2026 · View company records in RevenueBase
7	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
8	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
9	Coalfire	Exact match	Chicago, IL, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
10	Ensign Infosecurity	Exact match	SingaporeHQ recorded Sep 27, 2026	501-1,000	888 contacts →
	Exact match “Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
12	A-Lign	Exact match	Tampa, FL, United StatesHQ recorded Sep 27, 2026	501-1,000	798 contacts →
	Exact match “A-LIGN is the leading provider of high-quality, efficient cybersecurity compliance programs.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	PSU	Exact match	Beijing, ChinaHQ recorded Sep 27, 2026	n/a	771 contacts →
	Exact match “Since 2006, PSU has been the leading Scandinavian risk and security consultancy in China.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Network Intelligence	Exact match	Plano, TX, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
15	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
16	Vikingcloud	Exact match	Chicago, IL, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
17	Omegapoint	Exact match	Stockholm, SwedenHQ recorded Sep 27, 2026	501-1,000	619 contacts →
	Exact match “Omegapoint hjälper dig att utveckla och cybersäkra din digitala verksamhet.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	557 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 · Sep 27, 2026 · View company records in RevenueBase
19	Paramount Computer Systems	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 27, 2026	201-500	525 contacts →
	Exact match “Protection is Paramount!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	own.security	Exact match	Paris, FranceHQ recorded Sep 27, 2026	51-200	506 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 27, 2026 · View company records in RevenueBase
21	Securityhq	Exact match	London, United KingdomHQ recorded Sep 27, 2026	501-1,000	502 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 27, 2026 · View company records in RevenueBase
22	Aujas Cybersecurity	Exact match	Cupertino, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	473 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 · Sep 27, 2026 · View company records in RevenueBase
23	Alcumus	Exact match	Cardiff, United KingdomHQ recorded Sep 27, 2026	1,001-5,000	453 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Controlcase	Exact match	Fairfax, VA, United StatesHQ recorded Sep 27, 2026	201-500	411 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 · Sep 27, 2026 · View company records in RevenueBase
25	IBM Promontory	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	501-1,000	403 contacts →
	Exact match “IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting” Recorded in the RevenueBase company graph · Sep 27, 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 “compliance and security consulting 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 20,529 compliance and security consulting firms worldwide

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Compliance and security consulting firms worldwide at a glance

As of Sep 27, 2026

27.1%Verified-email coverage

10.4Average contacts per company

1-10Median size (employees)

2.6%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

13,541

11-50

5,475

51-200

1,157

201-500

235

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 compliance and security consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “compliance and security consulting 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 57,652 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 27, 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.

Compliance and security consulting firms by location

113 lists · largest first

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

How many compliance and security consulting firms are there worldwide?

RevenueBase identified 20,529 company matches for compliance and security consulting 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 compliance and security consulting firms?

The United States leads with 5,529 companies, followed by the United Kingdom (1,373) and India (1,158). Every compliance and security consulting firms list by country and city is linked on this page.

Which city has the most compliance and security consulting firms?

London leads with 540 company records, followed by Sao Paulo (249) and Paris (234).

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 57,652 professional contacts with verified work emails tracked across these 20,529 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 27, 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.