Company lists · Data refreshed September 2026

Top 25 Self-employed tax services worldwide

Name: Self-employed tax services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 20,308 companies tracked

RevenueBase identified 20,308 company matches for self-employed tax services worldwide as of September 2026 and tracks 149,812 professional contacts across them, including 30,009 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for self-employed tax 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 September 22, 2026. Country and city lists for self-employed tax 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 Sep 22, 2026 How this list was built

20,308Companies

149,812Contacts tracked

30,009Verified emails

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The 25 largest self-employed tax services worldwide

Ranked by team size

Top 25 of 20,308 company matches for self-employed tax services 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	H&r Block	Exact match	Kansas City, MO, United StatesHQ recorded Sep 22, 2026	10001+	59,451 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 · Sep 22, 2026 · View company records in RevenueBase
2	Block Advisors	Exact match	Kansas City, MO, United StatesHQ recorded Sep 22, 2026	1,001-5,000	1,379 contacts →
	Exact match “We are Block Advisors by H&R Block.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Chevez Ruiz Zamarripa	Exact match	Ciudad De Mexico, MexicoHQ recorded Sep 22, 2026	501-1,000	683 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 · Sep 22, 2026 · View company records in RevenueBase
4	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
5	Sensiba LLP	Exact match	San Jose, CA, United StatesHQ recorded Sep 22, 2026	501-1,000	493 contacts →
	Exact match “Sensiba’s comprehensive accounting, tax, and consulting services help businesses and people solve problems, navigate complexity, and build a foundation for sustainable growth.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	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
7	Apercen Partners LLC	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 22, 2026	201-500	399 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 · Sep 22, 2026 · View company records in RevenueBase
8	Collective	Exact match	San Francisco, CA, United StatesHQ recorded Sep 22, 2026	51-200	390 contacts →
	Exact match “Collective is the first all-in-one financial platform designed to give self-employed entrepreneurs the technology and team they need so they can focus on their passion, not their…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	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
10	Cohesive	Exact match	Exton, PA, United StatesHQ recorded Sep 22, 2026	501-1,000	364 contacts →
	Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Advantage ONE TAX Consulting	Exact match	Sterling, VA, United StatesHQ recorded Sep 22, 2026	201-500	347 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 · Sep 22, 2026 · View company records in RevenueBase
12	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
13	Mayatax	Exact match	Houston, TX, United StatesHQ recorded Sep 22, 2026	501-1,000	269 contacts →
	Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	Fiscozen	Exact match	Milan, ItalyHQ recorded Sep 22, 2026	201-500	266 contacts →
	Exact match “Noi siamo Fiscozen.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	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
16	Small Business Services	Exact match	Atlanta, GA, United StatesHQ recorded Sep 22, 2026	n/a	229 contacts →
	Exact match “Founded in 1990 in Atlanta, Georgia, Small Business Services is part of LedgerWay, a tax, accounting, and advisory firm built for small businesses and entrepreneurs who are…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Accounting & TAX Services	Exact match	United StatesHQ recorded Sep 22, 2026	n/a	203 contacts →
	Exact match “Since 1982, ATS has been a leader in providing quality tax, accounting and financial services to small businesses and individuals.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	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
19	EY Private Client Services	Exact match	London, United KingdomHQ recorded Sep 22, 2026	10001+	177 contacts →
	Exact match “Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Contracting Plus	Exact match	Dublin 2, IrelandHQ recorded Sep 22, 2026	51-200	160 contacts →
	Exact match “Contracting PLUS are award winning Accountants and Tax Advisors working with Professional Contractors, Freelancers, Consultants and the solo-self employed.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Wilson Partners	Exact match	Maidenhead, United KingdomHQ recorded Sep 22, 2026	201-500	157 contacts →
	Exact match “Accounting - Tax - Corporate Finance To the entrepreneurs, business owners and investors who are the lifeblood of UK business.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	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
23	Mize Cpas INC	Exact match	Topeka, KS, United StatesHQ recorded Sep 22, 2026	1,001-5,000	146 contacts →
	Exact match “Mize CPAs is now part of Aprio, a Top 25 premier, full-service business advisory and accounting firm that’s passionate for what’s next.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Dark Horse Cpas	Exact match	Cardiff, CA, United KingdomHQ recorded Sep 22, 2026	51-200	134 contacts →
	Exact match “Dark Horse CPAs is a leading CPA firm specializing in comprehensive tax and accounting advisory services tailored for small businesses.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Amarris Groupe	Exact match	Saint-herblain, FranceHQ recorded Sep 22, 2026	501-1,000	127 contacts →
	Exact match “Rejoignez une bande de 550 bousculateurs qui façonne ensemble depuis 25 ans une expérience de comptabilité, de paie et de fiscalité pragmatique et responsable au service des…” 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 “self-employed tax 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 20,308 self-employed tax services worldwide

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Self-employed tax services worldwide at a glance

As of Sep 22, 2026

20.0%Verified-email coverage

7.4Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

15,596

11-50

3,871

51-200

462

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 self-employed tax services are linked below.
What qualifies: Company records worldwide whose business descriptions match “self-employed tax 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 30,009 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.

Self-employed tax services by location

68 lists · largest first

Every Self-employed tax 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 “self-employed tax services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many self-employed tax services are there worldwide?

RevenueBase identified 20,308 company matches for self-employed tax services 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?

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 self-employed tax services?

The United States leads with 9,502 companies, followed by Germany (1,905) and the United Kingdom (1,028). Every self-employed tax services list by country and city is linked on this page.

Which city has the most self-employed tax services?

London leads with 231 company records, followed by New York (196) and Houston (189).

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 30,009 professional contacts with verified work emails tracked across these 20,308 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.