Company lists · Data refreshed November 2026

Top 25 Tax preparation and planning services worldwide

Name: Tax preparation and planning services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 35,056 companies tracked

RevenueBase identified 35,056 company matches for tax preparation and planning services worldwide as of November 2026 and tracks 267,364 professional contacts across them, including 59,203 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for tax preparation and planning 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 preparation and planning 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

35,056Companies

267,364Contacts tracked

59,203Verified emails

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The 25 largest tax preparation and planning services worldwide

Ranked by team size

Top 25 of 35,056 company matches for tax preparation and planning 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	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	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
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	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
7	H&r Block Canada	Exact match	Calgary, AB, CanadaHQ recorded Nov 6, 2026	5,001-10,000	894 contacts →
	Exact match “We’re Canada’s leading tax preparation firm for over 60 years – delivering value to Canadians by our expertise and knowledge in handling all tax situations and by our commitment…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Taxassist Accountants	Exact match	Norwich, United KingdomHQ recorded Nov 6, 2026	201-500	752 contacts →
	Exact match “At TaxAssist Accountants we specialise in providing accountancy services, tax returns, payroll, bookkeeping, tax savings and tax advice to small businesses and support over…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Blick Rothenberg	Exact match	Covent Garden, United KingdomHQ recorded Nov 6, 2026	501-1,000	742 contacts →
	Exact match “Blick Rothenberg is a leading tax, accounting and business advisory firm founded on personal integrity and technical expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	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
12	Buzzacott	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	600 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 · Nov 6, 2026 · View company records in RevenueBase
13	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
14	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
15	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
16	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
17	Etax Accountants	Exact match	Upper Mount Gravatt, AustraliaHQ recorded Nov 6, 2026	501-1,000	401 contacts →
	Exact match “Etax is a big team working on one big promise: To make tax easy for Australians.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	VLH	Exact match	Neustadt An Der Weinstrasse, GermanyHQ recorded Nov 6, 2026	1,001-5,000	389 contacts →
	Exact match “Deutschlands Nr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	Administratiekantoor Tidak B.V	Exact match	Alphen Aan Den Rijn, NetherlandsHQ recorded Nov 6, 2026	n/a	383 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 · Nov 6, 2026 · View company records in RevenueBase
21	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
22	Felix Advisory Private Limited	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	201-500	320 contacts →
	Exact match “Felix Advisory is one of the leading providers of tax & regulatory services, risk, transaction, financial & business advisory, internal audit, and corporate governance services in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	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
24	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
25	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

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 preparation and planning 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 35,056 tax preparation and planning services worldwide

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Tax preparation and planning services worldwide at a glance

As of Nov 6, 2026

22.1%Verified-email coverage

7.6Average contacts per company

1-10Median size (employees)

1.6%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

24,889

11-50

7,976

51-200

952

201-500

123

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 preparation and planning services are linked below.
What qualifies: Company records worldwide whose business descriptions match “tax preparation and planning 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 59,203 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 preparation and planning services by location

143 lists · largest first

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

How many tax preparation and planning services are there worldwide?

RevenueBase identified 35,056 company matches for tax preparation and planning 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 preparation and planning services?

The United States leads with 11,531 companies, followed by Germany (3,575) and the United Kingdom (2,592). Every tax preparation and planning services list by country and city is linked on this page.

Which city has the most tax preparation and planning services?

London leads with 546 company records, followed by Sao Paulo (317) and New York (260).

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 59,203 professional contacts with verified work emails tracked across these 35,056 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.