Company lists · Data refreshed September 2026

Top 25 Compliance and audit firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 8,983 companies tracked

RevenueBase identified 8,983 company matches for compliance and audit firms worldwide as of September 2026 and tracks 93,535 professional contacts across them, including 27,052 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for compliance and audit 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 19, 2026. Country and city lists for compliance and audit 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 19, 2026 How this list was built

8,983Companies

93,535Contacts tracked

27,052Verified emails

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The 25 largest compliance and audit firms worldwide

Ranked by team size

Top 25 of 8,983 company matches for compliance and audit firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	Management Solutions	Exact match	Madrid, SpainHQ recorded Sep 19, 2026	1,001-5,000	4,468 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Bureau Veritas Consumer Products Services	Exact match	Kowloon, Hong KongHQ recorded Sep 19, 2026	10001+	3,802 contacts →
	Exact match “The Bureau Veritas Consumer Products Services division is a world-leading concept-to-consumer quality assurance and compliance services provider to manufacturers, distributors and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Aparajitha Corporate Services Private Limited	Exact match	Madurai, IndiaHQ recorded Sep 19, 2026	1,001-5,000	2,064 contacts →
	Exact match “Aparajitha: Revolutionising India's Regulatory Compliance Space With 25 years of experience, Aparajitha covers compliance for over establishments, factories, and 52 lakh contract…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Sikich	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,688 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 · Sep 19, 2026 · View company records in RevenueBase
5	Global Relay	Exact match	Vancouver, BC, CanadaHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
6	ACA Group	Exact match	New York, NY, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
7	RSM Ebner Stolz	Exact match	Stuttgart, GermanyHQ recorded Sep 19, 2026	1,001-5,000	1,442 contacts →
	Exact match “Wollen Sie jemanden, der Sie auch beim Sprung in neue Märkte und bei allen anstehenden Herausforderungen begleitet?” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Ideagen	Exact match	Ruddington, United KingdomHQ recorded Sep 19, 2026	1,001-5,000	1,303 contacts →
	Exact match “Ideagen brings clarity and confidence to the safe hands and trusted voices protecting our world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Matrix Business Services India Private Limited	Exact match	Chennai, IndiaHQ recorded Sep 19, 2026	1,001-5,000	1,199 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 · Sep 19, 2026 · View company records in RevenueBase
10	A-Lign	Exact match	Tampa, FL, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
11	CT Corporation	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	788 contacts →
	Exact match “CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Uniqus Consultech INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 19, 2026	501-1,000	675 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 · Sep 19, 2026 · View company records in RevenueBase
13	LRN	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	501-1,000	661 contacts →
	Exact match “LRN is the world's largest dedicated ethics and compliance company, educating and helping more than 30 million people each year worldwide navigate complex legal and regulatory…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
15	Datatracks	Exact match	SingaporeHQ recorded Sep 19, 2026	201-500	475 contacts →
	Exact match “Compliance isn’t about reporting data - it’s the foundation of trust, transparency, and resilience in business.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Mahajan & Aibara	Exact match	Mumbai, IndiaHQ recorded Sep 19, 2026	201-500	458 contacts →
	Exact match “We offer Internal Audit & Risk Consulting related services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Alcumus	Exact match	Cardiff, United KingdomHQ recorded Sep 19, 2026	1,001-5,000	453 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	ANB Solutions Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Sep 19, 2026	201-500	444 contacts →
	Exact match “ANB is a fully-integrated and one of the fastest growing assurance and business advisory firm, with 450 plus employees and presence in 6 countries.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	ACS	Exact match	Pune, IndiaHQ recorded Sep 19, 2026	1,001-5,000	420 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Aithent INC	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	201-500	416 contacts →
	Exact match “Aithent creates high-value regulatory compliance management solutions for financial services, government, healthcare and insurance organizations around the globe.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Controlcase	Exact match	Fairfax, VA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
22	IBM Promontory	Exact match	Washington, DC, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
23	APA Engineering INC	Exact match	Mount Laurel, NJ, United StatesHQ recorded Sep 19, 2026	201-500	364 contacts →
	Exact match “APA Engineering Inc has been a leader in providing Compliance, Engineering, IT, and Sourcing services since With over twenty years in business, we are dedicated to providing the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Bm&a	Exact match	Paris, FranceHQ recorded Sep 19, 2026	201-500	345 contacts →
	Exact match “Based in Paris, Lyon, Rennes, Le Havre, Toulouse, Aix en Provence, Casablanca, London and New York, BM & A is an independent and international group positioned on the audit and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Protect LLC	Exact match	Wichita, KS, United StatesHQ recorded Sep 19, 2026	501-1,000	332 contacts →
	Exact match “PROtect is a leading national provider of reliability, risk, and compliance services to the refining, petrochemical, renewable fuels, manufacturing, food & beverage, fertilizer…” Recorded in the RevenueBase company graph · Sep 19, 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 audit 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 8,983 compliance and audit firms worldwide

See the full list, filter by size, metro and specialty, and access 27,052 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Compliance and audit firms worldwide at a glance

As of Sep 19, 2026

28.9%Verified-email coverage

10.4Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

5,980

11-50

2,335

51-200

484

201-500

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 audit firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “compliance and audit 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 27,052 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 19, 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 audit firms by location

45 lists · largest first

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

How many compliance and audit firms are there worldwide?

RevenueBase identified 8,983 company matches for compliance and audit 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?

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

Which country has the most compliance and audit firms?

The United States leads with 1,808 companies, followed by India (642) and the United Kingdom (569). Every compliance and audit firms list by country and city is linked on this page.

Which city has the most compliance and audit firms?

London leads with 213 company records, followed by Sao Paulo (178) and New York (115).

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 27,052 professional contacts with verified work emails tracked across these 8,983 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 19, 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.