Company lists · Data refreshed October 2026

Top 25 International tax compliance firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 7,227 companies tracked

RevenueBase identified 7,227 company matches for international tax compliance firms worldwide as of October 2026 and tracks 54,615 professional contacts across them, including 18,455 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for international tax 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 October 22, 2026. Country and city lists for international tax 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 Oct 22, 2026 How this list was built

7,227Companies

54,615Contacts tracked

18,455Verified emails

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The 25 largest international tax compliance firms worldwide

Ranked by team size

Top 25 of 7,227 company matches for international tax compliance firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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	RYAN	Exact match	Dallas, TX, United StatesHQ recorded Oct 22, 2026	5,001-10,000	6,427 contacts →
	Exact match “Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	DMA	Exact match	Fort Wayne, IN, United StatesHQ recorded Oct 22, 2026	501-1,000	946 contacts →
	Exact match “Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	Deloitte Société D'avocats	Exact match	Paris La Défense, FranceHQ recorded Oct 22, 2026	501-1,000	715 contacts →
	Exact match “Deloitte Société d'Avocats is one of the leading French law firms, specializing in international tax and legal strategies.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	Chevez	Exact match	Mexico City, MexicoHQ recorded Oct 22, 2026	501-1,000	708 contacts →
	Exact match “Chevez Ruiz Zamarripa, es una firma especializada en la Asesoría y Consultoría Fiscal de alto nivel, que se distingue por prestar servicios personalizados con total…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5	Kpmg Global Services Hungary	Exact match	Budapest, HungaryHQ recorded Oct 22, 2026	501-1,000	568 contacts →
	Exact match “KPMG Global Services Hungary (KGSH) provides centralised tax compliance services to multinational companies.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	Knav India	Exact match	Mumbai, IndiaHQ recorded Oct 22, 2026	51-200	504 contacts →
	Exact match “KNAV is a dynamic global accounting and consulting firm, offering a comprehensive range of services including accounting, assurance, taxation, international transfer pricing…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7	Smith Howard	Exact match	Atlanta, GA, United StatesHQ recorded Oct 22, 2026	501-1,000	487 contacts →
	Exact match “Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	Dhruva Advisors India Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Oct 22, 2026	501-1,000	431 contacts →
	Exact match “Dhruva Advisors, a Ryan LLC affiliate, delivers strategic tax and regulatory solutions to clients across India and around the world.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	Apercen Partners LLC	Exact match	Palo Alto, CA, United StatesHQ recorded Oct 22, 2026	201-500	417 contacts →
	Exact match “Originating from the English and Latin roots of “apercu,” an act of insight, and “census,” an applied study of wealth and property, Apercen is a tax consulting firm offering high…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	IBFD	Exact match	Amsterdam, NetherlandsHQ recorded Oct 22, 2026	201-500	409 contacts →
	Exact match “Our mission is to advance the dissemination and understanding of information on cross-border taxation.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	PB Taxand	Exact match	Jakarta, IndonesiaHQ recorded Oct 22, 2026	201-500	353 contacts →
	Exact match “PB Taxand is one of Indonesia’s leading tax advisory, transfer pricing, tax compliance and private client service providers and is unique in Indonesia as being a member of Taxand…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	Taxprime	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 22, 2026	201-500	299 contacts →
	Exact match “TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	GTM Global TAX Management	Exact match	Wayne, PA, United StatesHQ recorded Oct 22, 2026	201-500	291 contacts →
	Exact match “GTM is a leading provider of corporate tax services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	Atoz TAX Advisers	Exact match	Senningerberg, LuxembourgHQ recorded Oct 22, 2026	51-200	252 contacts →
	Exact match “We are a high-end independent advisory firm offering a comprehensive and integrated range of direct and indirect tax solutions, as well as corporate finance, transfer pricing and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	Garrido Licona Y Asociados S.C	Exact match	México, MexicoHQ recorded Oct 22, 2026	201-500	243 contacts →
	Exact match “Nuestra misión es brindar asesoría fiscal, legal, financiera y de negocios a empresas nacionales e internacionales y nos caracterizamos por lograr “Resultados Óptimos” y brindar…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	Kpmg Acor TAX	Exact match	2900 Hellerup, DenmarkHQ recorded Oct 22, 2026	201-500	238 contacts →
	Exact match “KPMG ACOR TAX is a full-service tax consultancy firm.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	Ecovis International	Exact match	Berlin, GermanyHQ recorded Oct 22, 2026	10001+	232 contacts →
	Exact match “Ecovis is a leading global consulting firm with its origins in Continental Europe.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	AOTAX	Exact match	Sterling, VA, United StatesHQ recorded Oct 22, 2026	201-500	230 contacts →
	Exact match “AOTAX is a leading U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	TAX Consulting South Africa	Exact match	Bryanston, South AfricaHQ recorded Oct 22, 2026	51-200	226 contacts →
	Exact match “Tax advisory and compliance in South Africa is our niche expertise.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20	Zenwork, INC	Exact match	Fayetteville, AR, United StatesHQ recorded Oct 22, 2026	51-200	214 contacts →
	Exact match “Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	Arsene Taxand	Exact match	Paris, FranceHQ recorded Oct 22, 2026	51-200	210 contacts →
	Exact match “Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	ADS Allgemeine Deutsche Steuerberatungsgesellschaft MBH	Exact match	Hamburg, GermanyHQ recorded Oct 22, 2026	501-1,000	197 contacts →
	Exact match “Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	EY Private Client Services	Exact match	London, United KingdomHQ recorded Oct 22, 2026	10001+	174 contacts →
	Exact match “Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	GNV Consulting	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 22, 2026	51-200	172 contacts →
	Exact match “GNV Consulting is widely recognized as one of the leading consulting firms providing non-attest services for tax, customs and related trade regulatory issues in Indonesia.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	Trowbridge Professional Corporation	Exact match	Toronto, ON, CanadaHQ recorded Oct 22, 2026	51-200	167 contacts →
	Exact match “Trowbridge Professional Corporation is a long established global accounting firm that provides a wide range of personal and corporate tax services, specializing in international…” Recorded in the RevenueBase company graph · Oct 22, 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 “international tax 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 7,227 international tax compliance firms worldwide

See the full list, filter by size, metro and specialty, and access 18,455 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International tax compliance firms worldwide at a glance

As of Oct 22, 2026

33.8%Verified-email coverage

7.6Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · London

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

4,474

11-50

2,206

51-200

350

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 international tax compliance firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “international tax 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 18,455 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 22, 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.

International tax compliance firms by location

50 lists · largest first

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

How many international tax compliance firms are there worldwide?

RevenueBase identified 7,227 company matches for international tax compliance firms 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?

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

Which country has the most international tax compliance firms?

The United States leads with 1,609 companies, followed by Germany (1,116) and India (452). Every international tax compliance firms list by country and city is linked on this page.

Which city has the most international tax compliance firms?

London leads with 124 company records, followed by Sao Paulo (100) and New York (92).

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 18,455 professional contacts with verified work emails tracked across these 7,227 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 22, 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.