Company lists · Data refreshed September 2026

Top 25 Law firm tax services worldwide

Name: Law firm tax services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 48,334 companies tracked

RevenueBase identified 48,334 law firm tax services worldwide as of September 2026 and tracks 460,594 professional contacts across them, including 165,550 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers law firm tax 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 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

48,334Companies

460,594Contacts tracked

165,550Verified emails

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The 25 largest law firm tax services worldwide

Ranked by team size

Top 25 of 48,334 law firm tax 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 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	CA Firm	Indirect evidence	Chennai, IndiaHQ checked Sep 28, 2026	n/a	10,260 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
2	MNP	Partial evidence	Calgary, AB, CanadaHQ checked Sep 28, 2026	5,001-10,000	8,773 contacts →
	Partial evidence “MNP is a leading national accounting, tax and business consulting firm in Canada.” Source: RevenueBase Database · checked Sep 28, 2026
3	BDO UK	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	5,001-10,000	6,933 contacts →
	Partial evidence “BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR & O) services to entrepreneurial, growing and…” Source: RevenueBase Database · checked Sep 28, 2026
4	Grant Thornton Ireland	Indirect evidence	Dublin, IrelandHQ checked Sep 28, 2026	1,001-5,000	2,374 contacts →
	Indirect evidence “In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…” Source: RevenueBase Database · checked Sep 28, 2026
5	PWC Sweden	Indirect evidence	Stockholm, SwedenHQ checked Sep 28, 2026	1,001-5,000	2,276 contacts →
	Indirect evidence “På PwC hjälper vi våra kunder att bygga förtroende och ställa om sin verksamhet för att öka konkurrenskraften.” Source: RevenueBase Database · checked Sep 28, 2026
6	Mccarthy Tétrault	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 28, 2026	1,001-5,000	1,913 contacts →
	Indirect evidence “McCarthy Tétrault provides a broad range of legal services, advising on large and complex assignments for Canadian and international interests.” Source: RevenueBase Database · checked Sep 28, 2026
7	BDO Germany	Strong evidence	Hamburg, GermanyHQ checked Sep 28, 2026	1,001-5,000	1,576 contacts →
	Strong evidence “BDO is the leading entrepreneurial driven provider for audit and audit-related services, tax and business law consulting as well as advisory services.” Source: RevenueBase Database · checked Sep 28, 2026
8	Gilbert Tobin	Indirect evidence	Barangaroo, AustraliaHQ checked Sep 28, 2026	1,001-5,000	1,162 contacts →
	Indirect evidence “Gilbert + Tobin was founded on values of excellence, trust, respect, integrity and good corporate citizenship.” Source: RevenueBase Database · checked Sep 28, 2026
9	Moore Kingston Smith	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	1,151 contacts →
	Indirect evidence “At Moore Kingston Smith, we believe in the potential of people to make a positive impact, fuelled by the power of genuine understanding.” Source: RevenueBase Database · checked Sep 28, 2026
10	Farrer & CO	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	693 contacts →
	Indirect evidence “Farrer & Co is synonymous with the highest quality legal advice and service.” Source: RevenueBase Database · checked Sep 28, 2026
11	Deloitte Société D'avocats	Strong evidence	Paris La Défense, FranceHQ checked Sep 28, 2026	501-1,000	690 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
12	Flick Gocke Schaumburg	Partial evidence	Bonn, GermanyHQ checked Sep 28, 2026	501-1,000	651 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
13	KUMAR	Indirect evidence	United StatesHQ checked Sep 28, 2026	1,001-5,000	627 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
14	Armstrong Watson	Indirect evidence	Carlisle, United KingdomHQ checked Sep 28, 2026	501-1,000	579 contacts →
	Indirect evidence “Armstrong Watson has been advising and protecting clients across the North of England and Scotland since 1867.” Source: RevenueBase Database · checked Sep 28, 2026
15	Buzzacott	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	575 contacts →
	Indirect evidence “Buzzacott is an accountancy and advisory firm with a long-standing history of supporting individuals, businesses, and not-for-profits.” Source: RevenueBase Database · checked Sep 28, 2026
16	Vandelanotte	Indirect evidence	Kortrijk, BelgiumHQ checked Sep 28, 2026	501-1,000	564 contacts →
	Indirect evidence “Vandelanotte, opgericht in 1948 door Roger Vandelanotte, is uitgegroeid tot het grootste onafhankelijke kantoor in België, met ook een vestiging in Rijsel (Frankrijk).” Source: RevenueBase Database · checked Sep 28, 2026
17	FFA Ferrareze E Freitas	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	201-500	564 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
18	Schulze Advogados Associados	Indirect evidence	Joinville, BrazilHQ checked Sep 28, 2026	201-500	547 contacts →
	Indirect evidence “A SCHULZE ADVOGADOS ASSOCIADOS, iniciou suas atividades em Joinville/SC em 1991.” Source: RevenueBase Database · checked Sep 28, 2026
19	Lavery	Partial evidence	Montréal, QC, CanadaHQ checked Sep 28, 2026	201-500	546 contacts →
	Partial evidence “Over a century of legal advice to domestic and international organizations has made Lavery Lawyers the leading independent law firm in Quebec (Canadian Lawyer).” Source: RevenueBase Database · checked Sep 28, 2026
20	Marcelo Tostes Advogados	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 28, 2026	201-500	518 contacts →
	Indirect evidence “Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.” Source: RevenueBase Database · checked Sep 28, 2026
21	Talbots LAW	Partial evidence	Stourbridge, United KingdomHQ checked Sep 28, 2026	501-1,000	413 contacts →
	Partial evidence “Talbots Law can offer your business a wide range of legal services - no matter what business you are in.” Source: RevenueBase Database · checked Sep 28, 2026
22	CRIDO	Indirect evidence	Warszawa, PolandHQ checked Sep 28, 2026	201-500	407 contacts →
	Indirect evidence “We are a leading Polish consulting firm committed to helping businesses make informed decisions.” Source: RevenueBase Database · checked Sep 28, 2026
23	Azevedo Sette Advogados	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	501-1,000	397 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
24	Affinia	Partial evidence	Colchester, United KingdomHQ checked Sep 28, 2026	1,001-5,000	375 contacts →
	Partial evidence “Accountants, Tax and Business Advisers.” Source: RevenueBase Database · checked Sep 28, 2026
25	Incorp India	Indirect evidence	Mumbai, IndiaHQ checked Sep 28, 2026	201-500	342 contacts →
	Indirect evidence “InCorp Group is one of APAC’s leading professional services firms headquartered in Singapore.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: law firm tax services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names law firm tax services.
Partial evidence: Its own public description names part of law firm tax services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name law firm tax services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 48,334 law firm tax services worldwide

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Law firm tax services worldwide at a glance

As of Sep 28, 2026

35.9%Verified-email coverage

9.5Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

30,612

11-50

14,378

51-200

2,335

201-500

316

501-1,000

103

1,001-5,000

5,001-10,000

10001+

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 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 services are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “law firm tax 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 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 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, 165,550 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 services by location

233 lists · largest first

Every Law firm 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 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 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 services are there worldwide?

RevenueBase identified 48,334 law firm tax 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 services?

The United States leads with 12,649 companies, followed by Brazil (4,894) and Germany (4,552). Every law firm tax services list by country and city is linked on this page.

Which city has the most law firm tax services?

Sao Paulo leads with 1087 headquartered companies, followed by London (502) and New York (359).

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 165,550 verified decision-maker contacts tracked across these 48,334 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.