Company lists · Data refreshed October 2026

Top 25 Tax compliance firms worldwide

Name: 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 10,586 companies tracked

RevenueBase identified 10,586 company matches for tax compliance firms worldwide as of October 2026 and tracks 114,123 professional contacts across them, including 16,516 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for 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 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

10,586Companies

114,123Contacts tracked

16,516Verified emails

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The 25 largest tax compliance firms worldwide

Ranked by team size

Top 25 of 10,586 company matches for 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	H&r Block	Exact match	Kansas City, MO, United StatesHQ recorded Oct 22, 2026	10001+	60,358 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 · Oct 22, 2026 · View company records in RevenueBase
2	Block Advisors	Exact match	Kansas City, MO, United StatesHQ recorded Oct 22, 2026	1,001-5,000	1,383 contacts →
	Exact match “We are Block Advisors by H&R Block.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	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
4	H&r Block Australia	Exact match	Thornleigh, AustraliaHQ recorded Oct 22, 2026	501-1,000	427 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 · Oct 22, 2026 · View company records in RevenueBase
5	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
6	Cohesive	Exact match	Exton, PA, United StatesHQ recorded Oct 22, 2026	501-1,000	362 contacts →
	Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7	Advantage ONE TAX Consulting	Exact match	Sterling, VA, United StatesHQ recorded Oct 22, 2026	201-500	356 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 · Oct 22, 2026 · View company records in RevenueBase
8	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
9	Mayatax	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	501-1,000	244 contacts →
	Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	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
11	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
12	Mytaxfiler	Exact match	Plano, TX, United StatesHQ recorded Oct 22, 2026	51-200	114 contacts →
	Exact match “At MyTaxFiler, we offer more than just tax preparation-we provide peace of mind.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	Archer Lewis	Exact match	Chicago, IL, United StatesHQ recorded Oct 22, 2026	501-1,000	111 contacts →
	Exact match “Archer Lewis is your local trusted advisor for accounting and tax services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	TAX Systems	Exact match	Staines-Upon-Thames Middlesex, United KingdomHQ recorded Oct 22, 2026	51-200	105 contacts →
	Exact match “We are game changers.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	Avalara Brasil	Exact match	São Paulo, BrazilHQ recorded Oct 22, 2026	51-200	99 contacts →
	Exact match “A Avalara ajuda empresas de todos os tamanhos a ficarem em dia com seus impostos e obrigações fiscais exigidos pelo Fisco nos níveis Federal, Estadual e Municipal.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	Murphy, Murphy & Murphy, Cpas	Exact match	Cypress, CA, United StatesHQ recorded Oct 22, 2026	51-200	96 contacts →
	Exact match “Our mission is to provide our clients with the best in professional services, with an authentic personal approach.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	Steuerring E.V. Lohnsteuerhilfeverein	Exact match	Darmstadt, GermanyHQ recorded Oct 22, 2026	1,001-5,000	89 contacts →
	Exact match “Der Steuerring e.V.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	Ventura Pranas	Exact match	Chennai, IndiaHQ recorded Oct 22, 2026	51-200	89 contacts →
	Exact match “Ventura Pranas is a cross-border advisory firm providing specialised solutions to individuals and companies across the US, India, and Singapore.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	Shoonya TAX Solutions	Exact match	Lewes, DE, United KingdomHQ recorded Oct 22, 2026	51-200	85 contacts →
	Exact match “Shoonya Tax is a consulting firm registered in US and India providing services like Tax return filing for Individual and Corporates, book keeping and payroll services for both US…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20	Neil Jesani Advisors, INC	Exact match	Sunrise, FL, United StatesHQ recorded Oct 22, 2026	51-200	84 contacts →
	Exact match “Neil Jesani Tax Advisors, Inc.(NJA) provides a full suite of tax, compliance, accounting, resolution and advisory services, drawing on extensive industry knowledge to serve high…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	Crescent TAX Filing, INC	Exact match	United StatesHQ recorded Oct 22, 2026	51-200	82 contacts →
	Exact match “Crescent Tax Filing, Inc- Your Trusted Partner in US #Tax Services for Over 7 Years Welcome to Crescent Tax Filing, Inc, your go-to destination for comprehensive US Tax…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	ZAMP	Exact match	New York, NY, United StatesHQ recorded Oct 22, 2026	11-50	78 contacts →
	Exact match “Zamp provides real sales tax relief, not just software-we completely handle your sales tax compliance so you don't have to.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	R&g Brenner TAX Accounting	Exact match	Valley Stream, NY, United StatesHQ recorded Oct 22, 2026	51-200	77 contacts →
	Exact match “Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Colbert Ball TAX Service	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	11-50	77 contacts →
	Exact match “Colbert/Ball Tax Service understands that whenever a customer visits their location for service, the client will be immediately assisted by a trained professional.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	Taxvalet Fractional Sales TAX Department	Exact match	Denver, CO, United StatesHQ recorded Oct 22, 2026	51-200	73 contacts →
	Exact match “Navigating the labyrinth of sales tax is more than just an annoyance for e-commerce, SaaS, and other online sellers.” 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 “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 10,586 tax compliance firms worldwide

See the full list, filter by size, metro and specialty, and access 16,516 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax compliance firms worldwide at a glance

As of Oct 22, 2026

14.5%Verified-email coverage

10.8Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · New York

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

7,726

11-50

2,344

51-200

287

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 compliance firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “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 16,516 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.

Tax compliance firms by location

39 lists · largest first

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

How many tax compliance firms are there worldwide?

RevenueBase identified 10,586 company matches for 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?

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 compliance firms?

The United States leads with 4,914 companies, followed by Germany (1,328) and India (601). Every tax compliance firms list by country and city is linked on this page.

Which city has the most tax compliance firms?

New York leads with 122 company records, followed by Houston (102) and Berlin (83).

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 16,516 professional contacts with verified work emails tracked across these 10,586 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.