Company lists · Data refreshed September 2026

Top 25 Tax service providers worldwide

Name: Tax service providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 42,889 companies tracked

RevenueBase identified 42,889 company matches for tax service providers worldwide as of September 2026 and tracks 305,612 professional contacts across them, including 73,530 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tax service providers 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 22, 2026. Country and city lists for tax service providers 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 22, 2026 How this list was built

42,889Companies

305,612Contacts tracked

73,530Verified emails

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The 25 largest tax service providers worldwide

Ranked by team size

Top 25 of 42,889 company matches for tax service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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	CA Firm	Exact match	Chennai, IndiaHQ recorded Sep 22, 2026	n/a	10,260 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 · Sep 22, 2026 · View company records in RevenueBase
2	KUMAR	Exact match	United StatesHQ recorded Sep 22, 2026	1,001-5,000	627 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Buzzacott	Exact match	London, United KingdomHQ recorded Sep 22, 2026	501-1,000	575 contacts →
	Exact match “Buzzacott is an accountancy and advisory firm with a long-standing history of supporting individuals, businesses, and not-for-profits.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	H&r Block Australia	Exact match	Thornleigh, AustraliaHQ recorded Sep 22, 2026	501-1,000	412 contacts →
	Exact match “As Australia’s largest preparer of personal income tax returns, with over 400 offices across Australia, expert help is never far away.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	Administratiekantoor Tidak B.V	Exact match	Alphen Aan Den Rijn, NetherlandsHQ recorded Sep 22, 2026	n/a	377 contacts →
	Exact match “Tidak in Alphen aan den Rijn is het administratiekantoor voor startende ondernemers, zzp'ers, mkb en particulieren.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	VLH	Exact match	Neustadt An Der Weinstrasse, GermanyHQ recorded Sep 22, 2026	1,001-5,000	373 contacts →
	Exact match “Deutschlands Nr.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Taxprime	Exact match	Jakarta Selatan, IndonesiaHQ recorded Sep 22, 2026	201-500	269 contacts →
	Exact match “TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	FBC Farm And Small Business TAX Consultants	Exact match	Calgary, AB, CanadaHQ recorded Sep 22, 2026	201-500	260 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 · Sep 22, 2026 · View company records in RevenueBase
9	Capeos	Exact match	Rennes, FranceHQ recorded Sep 22, 2026	201-500	223 contacts →
	Exact match “CAPEOS accompagne la gestion et le développement d’entreprises depuis plus de 45 ans.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Lubbock Fine	Exact match	London, United KingdomHQ recorded Sep 22, 2026	51-200	203 contacts →
	Exact match “Lubbock Fine is an independent accounting, tax, audit and advisory firm in the City of London.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	MBE Cpas	Exact match	Baraboo, WI, United StatesHQ recorded Sep 22, 2026	51-200	201 contacts →
	Exact match “We are driven by more than a quality tax return, we provide effective solutions to help you, your family, and your business succeed.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	ADS Allgemeine Deutsche Steuerberatungsgesellschaft MBH	Exact match	Hamburg, GermanyHQ recorded Sep 22, 2026	501-1,000	198 contacts →
	Exact match “Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Fiduciaire	Exact match	Beaufays, BelgiumHQ recorded Sep 22, 2026	n/a	198 contacts →
	Exact match “Bonjour et bienvenue sur la page entreprise de la Fiduciaire au Carré - Une équipe dynamique à votre service- Assistance efficace et conseils individualisés tant aux personnes…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	RSM Poland	Exact match	Poznań, PolandHQ recorded Sep 22, 2026	201-500	193 contacts →
	Exact match “RSM Poland to więcej niż biuro rachunkowe, kancelaria doradztwa podatkowego i firma audytorska – to przede wszystkim profesjonalni doradcy i zaufani partnerzy w biznesie.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	JCA Contadores	Exact match	Niterói, BrazilHQ recorded Sep 22, 2026	51-200	193 contacts →
	Exact match “Excelência em consultoria.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Hutchinson And Bloodgood LLP	Exact match	Glendale, CA, United StatesHQ recorded Sep 22, 2026	51-200	187 contacts →
	Exact match “Hutchinson and Bloodgood LLP is a leading firm of Certified Public Accountants and Consultants providing Tax Planning, Auditing, Technology Consulting, Human Resources and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Contec Contabilidade	Exact match	Sumaré, BrazilHQ recorded Sep 22, 2026	n/a	185 contacts →
	Exact match “Desde 1971 a Contec é responsavel pela assessoria contabil e tributaria de diversas empresas da região metropolitana de Campinas e demais cidades vizinhas, construindo ao longo do…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	BVA	Exact match	Sainte-marie, QC, CanadaHQ recorded Sep 22, 2026	201-500	170 contacts →
	Exact match “Depuis maintenant plus de 60 ans, BVA a développé une panoplie de services axés sur les préoccupations des entrepreneurs, des professionnels et des dirigeants d’entreprises.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	GKK Partners	Exact match	Munich, GermanyHQ recorded Sep 22, 2026	201-500	170 contacts →
	Exact match “GKK PARTNERS ist eine expandierende Wirtschaftsprüfungs- und Steuerberatungsgesellschaft mit Sitz in München.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Zeifmans	Exact match	Toronto, ON, CanadaHQ recorded Sep 22, 2026	51-200	168 contacts →
	Exact match “Zeifmans is a full-service tax, accounting and consulting firm based in Toronto, Canada.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Fradema Consultores	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 22, 2026	201-500	159 contacts →
	Exact match “Com atuação desde 1988, a Fradema Consultores Tributários possui forte atuação no contexto judicial e administrativo nas esferas federal, estadual e municipal, com sedes em todo o…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	Ecovis Malaysia	Exact match	Kuala Lumpur, MalaysiaHQ recorded Sep 22, 2026	51-200	155 contacts →
	Exact match “ECOVIS is a leading global consulting firm with its origins in Continental Europe.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Ormerod Rutter Chartered Accountants	Exact match	Droitwich, United KingdomHQ recorded Sep 22, 2026	51-200	151 contacts →
	Exact match “For 40 years, Ormerod Rutter have offered the specialist hands-on support that clients need to handle all of their tax, business and financial affairs.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	JAN Accountants EN Adviseurs	Exact match	Schiphol-rijk, NetherlandsHQ recorded Sep 22, 2026	201-500	149 contacts →
	Exact match “JAN© weet waar je als ondernemer mee worstelt.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Certacon	Exact match	Sao Paulo, BrazilHQ recorded Sep 22, 2026	51-200	145 contacts →
	Exact match “A Certacon nasceu da união de profissionais altamente experientes aliado aos melhores e mais completos softwares do mercado, com o propósito de prestar serviços nas áreas…” Recorded in the RevenueBase company graph · Sep 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 “tax service providers”. 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 42,889 tax service providers worldwide

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Tax service providers worldwide at a glance

As of Sep 22, 2026

24.1%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · Sao Paulo

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

30,011

11-50

10,634

51-200

1,438

201-500

175

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 service providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “tax service providers” 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 73,530 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 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.

Tax service providers by location

166 lists · largest first

Every Tax service providers 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 service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax service providers are there worldwide?

RevenueBase identified 42,889 company matches for tax service providers 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?

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

Which country has the most tax service providers?

The United States leads with 15,493 companies, followed by Germany (3,675) and Brazil (3,002). Every tax service providers list by country and city is linked on this page.

Which city has the most tax service providers?

Sao Paulo leads with 526 company records, followed by London (392) and New York (348).

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 73,530 professional contacts with verified work emails tracked across these 42,889 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 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.