Company lists · Data refreshed September 2026

Top 25 Expat tax law firms worldwide

Name: Expat tax law firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 14,054 companies tracked

RevenueBase identified 14,054 company matches for expat tax law firms worldwide as of September 2026 and tracks 137,111 professional contacts across them, including 37,701 with verified work emails. Germany is the largest market and Sao Paulo the largest hub.

This list covers company matches for expat tax law 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 September 28, 2026. Country and city lists for expat tax law 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 Sep 28, 2026 How this list was built

14,054Companies

137,111Contacts tracked

37,701Verified emails

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The 25 largest expat tax law firms worldwide

Ranked by team size

Top 25 of 14,054 company matches for expat tax law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	LAW Firm	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	6,284 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Vialto	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	5,587 contacts →
	Exact match “Vialto is focused on transforming the global mobility ecosystem to support multinational organizations and their employees.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	King & Wood Mallesons	Exact match	Hong KongHQ recorded Sep 28, 2026	1,001-5,000	3,591 contacts →
	Exact match “A firm born in Asia, underpinned by world class capability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Garrigues	Exact match	Madrid, SpainHQ recorded Sep 28, 2026	1,001-5,000	2,853 contacts →
	Exact match “Garrigues is an international legal and tax services firm that advises clients locally, regionally and globally from every angle of business law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	TAX Consultant	Exact match	Brighton, United KingdomHQ recorded Sep 28, 2026	n/a	2,042 contacts →
	Exact match “A traditional general practice, with a twist.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Loyens & Loeff	Exact match	Amsterdam, NetherlandsHQ recorded Sep 28, 2026	1,001-5,000	1,548 contacts →
	Exact match “As a leading Law & Tax firm, Loyens & Loeff is the logical choice for a legal and tax partner if you do business in or from the Netherlands, Belgium, Luxembourg and Switzerland…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Mishcon DE Reya LLP	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,376 contacts →
	Exact match “Based in London, Mishcon de Reya services an international community of clients and provides advice in situations where the constraints of geography often do not apply.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	OGIER	Exact match	St Helier, JerseyHQ recorded Sep 28, 2026	1,001-5,000	1,169 contacts →
	Exact match “Ogier is an international professional services firm with the knowledge and expertise to handle the most demanding and complex transactions and provide expert, efficient and cost…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	DE Jong & Laan	Exact match	Amsterdam, NetherlandsHQ recorded Sep 28, 2026	1,001-5,000	869 contacts →
	Exact match “If you are planning to do business in the Netherlands, you need the support of a good advisor.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Mourant	Exact match	St Helier, JerseyHQ recorded Sep 28, 2026	501-1,000	801 contacts →
	Exact match “Mourant is an international professional services firm combining legal excellence, specialist entity management, governance, regulatory and consulting services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	EY Société D'avocats	Exact match	Paris, FranceHQ recorded Sep 28, 2026	501-1,000	735 contacts →
	Exact match “EY Société d’avocats se mobilise pour concrétiser les potentiels: c’est ainsi que nous faisons la différence pour nos clients, nos équipes et tous nos interlocuteurs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Nautadutilh	Exact match	Amsterdam, NetherlandsHQ recorded Sep 28, 2026	501-1,000	725 contacts →
	Exact match “NautaDutilh is one of the largest international law firms in the Benelux with some 400 lawyers, civil law notaries and tax advisers at offices in Amsterdam, Brussels, London…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	AKD	Exact match	Amsterdam, NetherlandsHQ recorded Sep 28, 2026	501-1,000	692 contacts →
	Exact match “AKD is a leading international law firm, with over 600 lawyers, tax advisers, civil-law notaries and supporting professionals advising on Dutch, Belgian and Luxembourg legal and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Deloitte Société D'avocats	Exact match	Paris La Défense, FranceHQ recorded Sep 28, 2026	501-1,000	690 contacts →
	Exact match “Deloitte Société d'Avocats is one of the leading French law firms, specializing in international tax and legal strategies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Chevez Ruiz Zamarripa	Exact match	Ciudad De Mexico, MexicoHQ recorded Sep 28, 2026	501-1,000	683 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 · Sep 28, 2026 · View company records in RevenueBase
16	Kpmg Avocats	Exact match	Courbevoie, FranceHQ recorded Sep 28, 2026	501-1,000	669 contacts →
	Exact match “Les entreprises de toutes tailles sont exposées à des dispositions de plus en plus complexes en matière de réglementations fiscales et juridiques sur leur territoire national et…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Walker Morris LLP	Exact match	Leeds, United KingdomHQ recorded Sep 28, 2026	201-500	582 contacts →
	Exact match “Welcome to Walker Morris - a UK-headquartered law firm with international reach.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Lavery	Exact match	Montréal, QC, CanadaHQ recorded Sep 28, 2026	201-500	546 contacts →
	Exact match “Over a century of legal advice to domestic and international organizations has made Lavery Lawyers the leading independent law firm in Quebec (Canadian Lawyer).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Advant Nctm	Exact match	Milano, ItalyHQ recorded Sep 28, 2026	201-500	514 contacts →
	Exact match “Fondato nel ADVANT Nctm è uno studio legale indipendente con oltre 360 avvocati e dottori commercialisti, uno dei principali in Italia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	William FRY LLP	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	201-500	507 contacts →
	Exact match “As one of Ireland's largest law firms, William Fry LLP offers unrivalled legal and tax expertise across the full breadth of the business sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	DHPG	Exact match	Bonn, GermanyHQ recorded Sep 28, 2026	1,001-5,000	460 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 · Sep 28, 2026 · View company records in RevenueBase
22	Visser & Visser	Exact match	Rotterdam, NetherlandsHQ recorded Sep 28, 2026	201-500	408 contacts →
	Exact match “Visser & Visser has a team of in-house specialists who understand the ins and outs of international business and can help you with everything from taking your first steps in the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Apercen Partners LLC	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 28, 2026	201-500	399 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 · Sep 28, 2026 · View company records in RevenueBase
24	Guyer & Regules	Exact match	Montevideo, UruguayHQ recorded Sep 28, 2026	201-500	337 contacts →
	Exact match “Guyer & Regules is proud to be considered as Uruguay’s first choice for international and domestic complex legal, accounting and tax work.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Ecovis Deutschland	Exact match	Berlin, GermanyHQ recorded Sep 28, 2026	1,001-5,000	319 contacts →
	Exact match “Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.” Recorded in the RevenueBase company graph · Sep 28, 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 “expat tax law 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 14,054 expat tax law firms worldwide

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Expat tax law firms worldwide at a glance

As of Sep 28, 2026

27.5%Verified-email coverage

9.8Average contacts per company

1-10Median size (employees)

2.6%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

8,563

11-50

4,448

51-200

705

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 expat tax law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “expat tax law 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 37,701 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 September 28, 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.

Expat tax law firms by location

72 lists · largest first

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

How many expat tax law firms are there worldwide?

RevenueBase identified 14,054 company matches for expat tax law firms worldwide as of September 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?

LAW Firm tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most expat tax law firms?

Germany leads with 2,358 companies, followed by the United States (1,496) and Brazil (1,312). Every expat tax law firms list by country and city is linked on this page.

Which city has the most expat tax law firms?

Sao Paulo leads with 369 company records, followed by Madrid (228) and Paris (195).

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 37,701 professional contacts with verified work emails tracked across these 14,054 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 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 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.