Company lists · Data refreshed November 2026

Top 25 Tax companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 24,819 companies tracked

RevenueBase identified 24,819 company matches for tax companies worldwide as of November 2026 and tracks 236,345 professional contacts across them, including 45,541 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for tax companies 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 companies 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

24,819Companies

236,345Contacts tracked

45,541Verified emails

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The 25 largest tax companies worldwide

Ranked by team size

Top 25 of 24,819 company matches for tax companies 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	Belastingdienst	Exact match	The Hague, NetherlandsHQ recorded Nov 6, 2026	10001+	15,293 contacts →
	Exact match “De organisatie bestaat uit diverse onderdelen, waaronder de Belastingdienst, Douane, Toeslagen, FIOD en enkele facilitaire organisaties.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Liberty TAX	Exact match	Hurst, TX, United StatesHQ recorded Nov 6, 2026	n/a	6,939 contacts →
	Exact match “Liberty Tax is income tax preparation at its best: friendly, accurate, and with a money back guarantee.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Servicio DE Impuestos Internos SII	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	1,001-5,000	2,787 contacts →
	Exact match “Nuestra misión es procurar que cada contribuyente cumpla cabalmente sus obligaciones tributarias, aplicando y fiscalizando los impuestos internos de manera efectiva y eficiente…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Block Advisors	Exact match	Kansas City, MO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,450 contacts →
	Exact match “We are Block Advisors by H&R Block.” 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	KUMAR	Exact match	n/a	1,001-5,000	638 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Sensiba LLP	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	520 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 · Nov 6, 2026 · View company records in RevenueBase
9	Office Togolais DES Recettes - OTR	Exact match	Lome, TogoHQ recorded Nov 6, 2026	1,001-5,000	479 contacts →
	Exact match “L’OTR a été créé par la loi du 10 décembre 2012 votée à l’unanimité des représentants du peuple.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	H&r Block Australia	Exact match	Thornleigh, AustraliaHQ recorded Nov 6, 2026	501-1,000	463 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 · Nov 6, 2026 · View company records in RevenueBase
11	Apercen Partners LLC	Exact match	Palo Alto, CA, United StatesHQ recorded Nov 6, 2026	201-500	427 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 · Nov 6, 2026 · View company records in RevenueBase
12	Ααδε - Iapr	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	10001+	393 contacts →
	Exact match “Υπηρετούμε πιστά το Δημόσιο Συμφέρον και το Κοινωνικό Σύνολο.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	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
15	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
16	Oremus Corporate Services	Exact match	Hyderabad, IN, IndiaHQ recorded Nov 6, 2026	201-500	303 contacts →
	Exact match “At Oremus Corporate Services, we specialize in delivering top-notch Accounting and Bookkeeping, Secretarial Compliance, Payroll, Tax, HR, and Business Advisory Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	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
18	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
19	Small Business Services	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	n/a	241 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 · Nov 6, 2026 · View company records in RevenueBase
20	taxbuddy.com	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	n/a	237 contacts →
	Exact match “Welcome to TaxBuddy, your one-stop solution for all your tax preparation and filing needs- happy users across 2600 towns in India - 4.9 star Google rating from customers - Led by…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Abbott, Stringham & Lynch	Exact match	Campbell, CA, United StatesHQ recorded Nov 6, 2026	51-200	225 contacts →
	Exact match “ASL works with emerging and middle market privately held businesses to help them thrive in their markets, and with high net worth individuals, such as owners, founders and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Accounting & TAX Services	Exact match	United StatesHQ recorded Nov 6, 2026	n/a	213 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 · Nov 6, 2026 · View company records in RevenueBase
23	National Revenue Agency	Exact match	Sofia, BulgariaHQ recorded Nov 6, 2026	5,001-10,000	210 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	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
25	Porte Brown LLC	Exact match	Elk Grove Village, IL, United StatesHQ recorded Nov 6, 2026	51-200	194 contacts →
	Exact match “Porte Brown LLC is a full service accounting and consulting firm headquartered in the Chicago suburb of Elk Grove Village, Illinois.” 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 companies”. 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 24,819 tax companies worldwide

See the full list, filter by size, metro and specialty, and access 45,541 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax companies worldwide at a glance

As of Nov 6, 2026

19.3%Verified-email coverage

9.5Average contacts per company

1-10Median size (employees)

1.0%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

17,999

11-50

5,316

51-200

645

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 companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “tax companies” 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 45,541 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 companies by location

104 lists · largest first

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

How many tax companies are there worldwide?

RevenueBase identified 24,819 company matches for tax companies 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 companies?

The United States leads with 12,043 companies, followed by Germany (2,400) and Canada (1,080). Every tax companies list by country and city is linked on this page.

Which city has the most tax companies?

New York leads with 260 company records, followed by Houston (224) and London (184).

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 45,541 professional contacts with verified work emails tracked across these 24,819 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.