Company lists · Data refreshed November 2026

Top 25 Tax audit representation services worldwide

Name: Tax audit representation services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 15,059 companies tracked

RevenueBase identified 15,059 company matches for tax audit representation services worldwide as of November 2026 and tracks 176,606 professional contacts across them, including 34,300 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tax audit representation services 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 6, 2026. Country and city lists for tax audit representation services 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 6, 2026 How this list was built

15,059Companies

176,606Contacts tracked

34,300Verified emails

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The 25 largest tax audit representation services worldwide

Ranked by team size

Top 25 of 15,059 company matches for tax audit representation services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	H&r Block	Exact match	Kansas City, MO, United StatesHQ recorded Nov 6, 2026	10001+	64,430 contacts →
	Exact match “H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	CA Firm	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	n/a	10,802 contacts →
	Exact match “The core business of our firm is to provide comprehensive package of accounting, secretarial, taxation and business advisory services to Corporate Clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	RYAN	Exact match	Dallas, CT, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,580 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 · Nov 6, 2026 · View company records in RevenueBase
4	Grant Thornton Ireland	Exact match	Dublin, IrelandHQ recorded Nov 6, 2026	1,001-5,000	2,584 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 · Nov 6, 2026 · View company records in RevenueBase
5	TAX Consultant	Exact match	Brighton, United KingdomHQ recorded Nov 6, 2026	n/a	2,211 contacts →
	Exact match “A traditional general practice, with a twist.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Chevez	Exact match	Mexico City, MexicoHQ recorded Nov 6, 2026	501-1,000	740 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 · Nov 6, 2026 · View company records in RevenueBase
7	DHPG	Exact match	Bonn, GermanyHQ recorded Nov 6, 2026	1,001-5,000	497 contacts →
	Exact match “As an interdisciplinary medium-sized tax audit, accountancy and legal advice service we guarantee all-round high-quality consultation combined with a personal component.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Cohesive	Exact match	Exton, GA, United StatesHQ recorded Nov 6, 2026	501-1,000	386 contacts →
	Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Advantage ONE TAX Consulting	Exact match	Sterling, VA, United StatesHQ recorded Nov 6, 2026	201-500	360 contacts →
	Exact match “Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Ecovis Deutschland	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	1,001-5,000	351 contacts →
	Exact match “Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Taxprime	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 6, 2026	201-500	307 contacts →
	Exact match “TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	GTM Global TAX Management	Exact match	Wayne, OH, United StatesHQ recorded Nov 6, 2026	201-500	294 contacts →
	Exact match “GTM is a leading provider of corporate tax services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	FBC Farm And Small Business TAX Consultants	Exact match	Calgary, ON, CanadaHQ recorded Nov 6, 2026	201-500	270 contacts →
	Exact match “For more than 70 years, our focus has always been to bring financial peace of mind to our Canadian business owners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Mayatax	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	251 contacts →
	Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	KE Andrews	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	201-500	234 contacts →
	Exact match “In operation since 1978, KE Andrews is one of the largest state and local tax firms in the country, managing over $500 billion in assets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Roth&co	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	221 contacts →
	Exact match “Roth & Co is a top-150 U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Arsene Taxand	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	219 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 · Nov 6, 2026 · View company records in RevenueBase
18	ADS Allgemeine Deutsche Steuerberatungsgesellschaft MBH	Exact match	Hamburg, GermanyHQ recorded Nov 6, 2026	501-1,000	206 contacts →
	Exact match “Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	PKF Durban	Exact match	Umhlanga, South AfricaHQ recorded Nov 6, 2026	201-500	189 contacts →
	Exact match “Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Ecovis KSO	Exact match	Düsseldorf, GermanyHQ recorded Nov 6, 2026	501-1,000	188 contacts →
	Exact match “Tax Advisory, Legal Advisory, Audit & Business Consulting Four disciplines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Community Tax, LLC	Exact match	Jacksonville, FL, United StatesHQ recorded Nov 6, 2026	201-500	176 contacts →
	Exact match “Since 2010, Community Tax has helped individuals and businesses across the United States navigate complex tax matters with clarity and confidence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	EY Private Client Services	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	171 contacts →
	Exact match “Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	TAX Group	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	201-500	168 contacts →
	Exact match “Tax Group is a network of independent professional firms dedicated to providing services in the tax area, which brings together a network of members with more than 200 employees.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Grupo FGF	Exact match	Uberlândia, BrazilHQ recorded Nov 6, 2026	51-200	164 contacts →
	Exact match “Somos uma empresa de contabilidade e revisão fiscal que possui uma visão diferente das empresas de contabilidade tradicionais.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Taxback	Exact match	Dublin, NY, IrelandHQ recorded Nov 6, 2026	501-1,000	159 contacts →
	Exact match “Every year, thousands of people overpay tax on their earnings.” Recorded in the RevenueBase company graph · Nov 6, 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 “tax audit representation services”. 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 15,059 tax audit representation services worldwide

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Tax audit representation services worldwide at a glance

As of Nov 6, 2026

19.4%Verified-email coverage

11.7Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

9,976

11-50

3,867

51-200

593

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 tax audit representation services are linked below.
What qualifies: Company records worldwide whose business descriptions match “tax audit representation services” 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 34,300 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 6, 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.

Tax audit representation services by location

68 lists · largest first

Every Tax audit representation services 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 “tax audit representation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax audit representation services are there worldwide?

RevenueBase identified 15,059 company matches for tax audit representation services 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?

H&r Block tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most tax audit representation services?

The United States leads with 5,061 companies, followed by Germany (2,324) and Brazil (814). Every tax audit representation services list by country and city is linked on this page.

Which city has the most tax audit representation services?

Sao Paulo leads with 181 company records, followed by New York (137) and Berlin (128).

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 34,300 professional contacts with verified work emails tracked across these 15,059 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 6, 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.