Company lists · Data refreshed September 2026

Top 25 Regulatory compliance accounting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 15,501 companies tracked

RevenueBase identified 15,501 company matches for regulatory compliance accounting firms worldwide as of September 2026 and tracks 152,292 professional contacts across them, including 32,483 with verified work emails. India is the largest market and Sao Paulo the largest hub.

This list covers company matches for regulatory compliance accounting 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 29, 2026. Country and city lists for regulatory compliance accounting 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 29, 2026 How this list was built

15,501Companies

152,292Contacts tracked

32,483Verified emails

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The 25 largest regulatory compliance accounting firms worldwide

Ranked by team size

Top 25 of 15,501 company matches for regulatory compliance accounting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 29, 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 29, 2026 · View company records in RevenueBase
2	Grant Thornton Ireland	Exact match	Dublin, IrelandHQ recorded Sep 29, 2026	1,001-5,000	2,374 contacts →
	Exact match “In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Aparajitha Corporate Services Private Limited	Exact match	Madurai, IndiaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
4	Donnelley Financial Solutions Dfin	Exact match	Lancaster, PA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,740 contacts →
	Exact match “DFIN is the leading global provider of compliance and regulatory software and services, fueling end-to-end investment company regulatory compliance needs, complex capital markets…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	ACA Group	Exact match	New York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6	Ideagen	Exact match	Ruddington, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
7	Manubhai & Shah LLP	Exact match	Ahmedabad, IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,113 contacts →
	Exact match “Manubhai & Shah LLP is a firm of Chartered Accountants based in Ahmedabad, Gujarat.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Kearney & Company	Exact match	Alexandria, VA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	999 contacts →
	Exact match “Established in 1985, Kearney & Company is the largest Certified Public Accounting (CPA) firm in the country exclusively focused on the government.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Nangia & CO LLP	Exact match	Delhi-ncr, IndiaHQ recorded Sep 29, 2026	1,001-5,000	952 contacts →
	Exact match “Nangia & Co LLP stands as a preeminent one of the top leading CA firm in India with a remarkable four-decade legacy of enriching the business landscape for an extensive clientele…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	T R Chadha & CO LLP	Exact match	Gurugram, IndiaHQ recorded Sep 29, 2026	1,001-5,000	851 contacts →
	Exact match “Established in May 1946 by Late Mr.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	CT Corporation	Exact match	New York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
12	Guru & Jana	Exact match	Bangalore, IndiaHQ recorded Sep 29, 2026	201-500	621 contacts →
	Exact match “Guru & Jana (GJ) a CA firm in Bangalore based on the philosophy - “Earn, we will & should, but with dignity, joy & trust”, specializes in India Entry, Audit & Assurance…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Sharp & Tannan Group	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	501-1,000	601 contacts →
	Exact match “Founded in 1934, by two gentlemen to whom integrity was paramount, Mr.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
15	Alcumus	Exact match	Cardiff, United KingdomHQ recorded Sep 29, 2026	1,001-5,000	453 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Aithent INC	Exact match	New York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
17	IBM Promontory	Exact match	Washington, DC, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
18	Exponens	Exact match	Paris, FranceHQ recorded Sep 29, 2026	201-500	374 contacts →
	Exact match “Exponens is an independent group providing public accounting expertise, consultancy and auditing, with more than 300 employees, based in 9 offices in the Ile-de-France region.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Bm&a	Exact match	Paris, FranceHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
20	Felix Advisory Private Limited	Exact match	Gurgaon, IndiaHQ recorded Sep 29, 2026	201-500	331 contacts →
	Exact match “Felix Advisory is one of the leading providers of tax & regulatory services, risk, transaction, financial & business advisory, internal audit, and corporate governance services in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Advisense	Exact match	Stockholm, SwedenHQ recorded Sep 29, 2026	201-500	321 contacts →
	Exact match “Advisense is a leading governance, risk and compliance powerhouse, offering best-in-class services and tech solutions to the European industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Registrar Corp	Exact match	Hampton, VA, United StatesHQ recorded Sep 29, 2026	51-200	317 contacts →
	Exact match “Registrar Corp is your trusted partner helping you navigate global regulatory requirements with expert services, innovative software solutions and comprehensive online compliance…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Comply	Exact match	New York City, NY, United StatesHQ recorded Sep 29, 2026	201-500	308 contacts →
	Exact match “At Comply, we pride ourselves on being the champion for compliance professionals.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	WST LAW & TAX Firm	Exact match	Milano, ItalyHQ recorded Sep 29, 2026	201-500	300 contacts →
	Exact match “WST is a firm providing integrated consultancy in Legal, Tax, Risk, Compliance, ESG and Accounting areas of business.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Conselho Regional DE Contabilidade DO Estado DE SÃO Paulo Crcsp	Exact match	Sao Paulo, BrazilHQ recorded Sep 29, 2026	51-200	279 contacts →
	Exact match “O Conselho Regional de Contabilidade do Estado de São Paulo (CRCSP) é o órgão responsável pelo registro e fiscalização da profissão contábil e pelo desenvolvimento dos…” Recorded in the RevenueBase company graph · Sep 29, 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 “regulatory compliance accounting 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 15,501 regulatory compliance accounting firms worldwide

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Regulatory compliance accounting firms worldwide at a glance

As of Sep 29, 2026

21.3%Verified-email coverage

9.8Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

9,275

11-50

5,031

51-200

892

201-500

176

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 regulatory compliance accounting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “regulatory compliance accounting 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 32,483 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 29, 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.

Regulatory compliance accounting firms by location

76 lists · largest first

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

How many regulatory compliance accounting firms are there worldwide?

RevenueBase identified 15,501 company matches for regulatory compliance accounting 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 regulatory compliance accounting firms?

India leads with 2,731 companies, followed by the United States (1,952) and Brazil (1,518). Every regulatory compliance accounting firms list by country and city is linked on this page.

Which city has the most regulatory compliance accounting firms?

Sao Paulo leads with 318 company records, followed by London (295) and New Delhi (266).

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 32,483 professional contacts with verified work emails tracked across these 15,501 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 29, 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.