Company lists · Data refreshed September 2026

Top 25 Law firm tax preparation services worldwide

RevenueBase identified 41,927 law firm tax preparation services worldwide as of September 2026 and tracks 340,663 professional contacts across them, including 99,780 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers law firm tax preparation services worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for law firm tax preparation services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
41,927Companies
340,663Contacts tracked
99,780Verified emails
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The 25 largest law firm tax preparation services worldwide

Ranked by team size
Top 25 of 41,927 law firm tax preparation services worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to law firm tax preparation services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceChennai, IndiaHQ checked Sep 28, 2026n/a10,260 contacts →

Indirect evidence

“The core business of our firm is to provide comprehensive package of accounting, secretarial, taxation and business advisory services to Corporate Clients.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceCalgary, AB, CanadaHQ checked Sep 28, 20265,001-10,0008,773 contacts →

Partial evidence

“MNP is a leading national accounting, tax and business consulting firm in Canada.”

Source: RevenueBase Database · checked Sep 28, 2026
3Strong evidenceCalgary, AB, CanadaHQ checked Sep 28, 20265,001-10,000889 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
4Strong evidenceParis La Défense, FranceHQ checked Sep 28, 2026501-1,000690 contacts →

Strong evidence

“Deloitte Société d'Avocats is one of the leading French law firms, specializing in international tax and legal strategies.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceBonn, GermanyHQ checked Sep 28, 2026501-1,000651 contacts →

Partial evidence

“Flick Gocke Schaumburg is an independent partnership of lawyers, tax advisors and auditors working with more than 320 professionals from offices in Berlin, Bonn, Düsseldorf…”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceSão Paulo, BrazilHQ checked Sep 28, 2026201-500564 contacts →

Indirect evidence

“SOBRE O FFA O início das atividades remonta ao ano de 1982, na cidade de Passo Fundo, Planalto Médio do Rio Grande do Sul.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceAtlanta, GA, United StatesHQ checked Sep 28, 2026201-500558 contacts →

Partial evidence

“Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceThornleigh, AustraliaHQ checked Sep 28, 2026501-1,000412 contacts →

Partial evidence

“As Australia’s largest preparer of personal income tax returns, with over 400 offices across Australia, expert help is never far away.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceSão Paulo, BrazilHQ checked Sep 28, 2026501-1,000397 contacts →

Indirect evidence

“6º escritório mais lembrado por executivos jurídicos das maiores empresas e bancos na América Latina (pesquisas do LACCA | Who Represents Latin America's Biggest Companies…”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceColchester, United KingdomHQ checked Sep 28, 20261,001-5,000375 contacts →

Partial evidence

“Accountants, Tax and Business Advisers.”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceMontevideo, UruguayHQ checked Sep 28, 2026201-500337 contacts →

Partial evidence

“Guyer & Regules is proud to be considered as Uruguay’s first choice for international and domestic complex legal, accounting and tax work.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceJakarta Selatan, IndonesiaHQ checked Sep 28, 2026201-500269 contacts →

Partial evidence

“TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceCalgary, AB, CanadaHQ checked Sep 28, 2026201-500260 contacts →

Indirect evidence

“For more than 70 years, our focus has always been to bring financial peace of mind to our Canadian business owners.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceWarsaw, PolandHQ checked Sep 28, 2026201-500248 contacts →

Indirect evidence

“Domański Zakrzewski Palinka was established in 1993.”

Source: RevenueBase Database · checked Sep 28, 2026
15Strong evidenceHamburg, GermanyHQ checked Sep 28, 2026201-500232 contacts →

Strong evidence

“MÖHRLE HAPP LUTHER is a multidisciplinary law firm in which auditors, tax advisors and attorneys work hand in hand.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceJackson, TN, United StatesHQ checked Sep 28, 2026201-500224 contacts →

Indirect evidence

“ATA is one of the largest accounting and consulting firms in the Mid-South and was named the ninth (9th) largest accounting firm in the State of Tennessee by American Business…”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceBelo Horizonte, BrazilHQ checked Sep 28, 202651-200213 contacts →

Indirect evidence

“Fundado em 17 de agosto de 1994, o Sacha Calmon – Misabel Derzi Consultores e Advogados (SCMD) é referência nacional em Direito Tributário.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceAugsburg, GermanyHQ checked Sep 28, 2026501-1,000210 contacts →

Indirect evidence

“Multidisziplinäre Wirtschaftskanzlei von Wirtschaftsprüfern, Steuerberatern und Rechtsanwälten mit Standorten in Augsburg, München, Frankfurt a.M, Ulm und Nürnberg.”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceBaraboo, WI, United StatesHQ checked Sep 28, 202651-200201 contacts →

Partial evidence

“We are driven by more than a quality tax return, we provide effective solutions to help you, your family, and your business succeed.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceStuttgart, GermanyHQ checked Sep 28, 2026201-500199 contacts →

Partial evidence

“Menold Bezler is an independent business law firm based in Stuttgart.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceHamburg, GermanyHQ checked Sep 28, 2026501-1,000198 contacts →

Indirect evidence

“Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceGlendale, CA, United StatesHQ checked Sep 28, 202651-200187 contacts →

Partial evidence

“Hutchinson and Bloodgood LLP is a leading firm of Certified Public Accountants and Consultants providing Tax Planning, Auditing, Technology Consulting, Human Resources and…”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceViña Del Mar, ChileHQ checked Sep 28, 2026n/a186 contacts →

Indirect evidence

“Oficina contable que se caracteriza por el profesionalismo de sus integrantes, la rápida solución a los problemas que se presenten y la atención que presta a sus clientes.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceJacksonville, FL, United StatesHQ checked Sep 28, 2026201-500175 contacts →

Partial evidence

“Since 2010, Community Tax has helped individuals and businesses across the United States navigate complex tax matters with clarity and confidence.”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceSão Paulo, BrazilHQ checked Sep 28, 2026201-500172 contacts →

Partial evidence

“Tax Group is a network of independent professional firms dedicated to providing services in the tax area, which brings together a network of members with more than 200 employees.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 41,927 law firm tax preparation services worldwide

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Law firm tax preparation services worldwide at a glance

As of Sep 28, 2026
29.3%Verified-email coverage
8.1Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · Sao Paulo
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
28,717
11-50
10,850
51-200
1,551
201-500
169
501-1,000
65
1,001-5,000
38
5,001-10,000
8
10001+
16

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among law firm tax preparation services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for law firm tax preparation services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “law firm tax preparation services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names law firm tax preparation services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among law firm tax preparation services, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 99,780 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Law firm tax preparation services by location

189 lists · largest first

Every Law firm tax preparation 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names law firm tax preparation services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many law firm tax preparation services are there worldwide?

RevenueBase identified 41,927 law firm tax preparation services worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

CA Firm, headquartered in Chennai, tops this list with the largest team on record.

Which country has the most law firm tax preparation services?

The United States leads with 16,448 companies, followed by Germany (3,964) and Brazil (2,959). Every law firm tax preparation services list by country and city is linked on this page.

Which city has the most law firm tax preparation services?

Sao Paulo leads with 629 headquartered companies, followed by New York (390) and Houston (320).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 99,780 verified decision-maker contacts tracked across these 41,927 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.