Company lists · Data refreshed October 2026

Top 25 Expatriate tax compliance companies worldwide

RevenueBase identified 748 company matches for expatriate tax compliance companies worldwide as of October 2026 and tracks 12,324 professional contacts across them, including 4,226 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for expatriate tax compliance 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 October 22, 2026. Country and city lists for expatriate tax compliance 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 Oct 22, 2026 How this list was built
748Companies
12,324Contacts tracked
4,226Verified emails
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The 25 largest expatriate tax compliance companies worldwide

Ranked by team size
Top 25 of 748 company matches for expatriate tax compliance companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 22, 20265,001-10,0005,602 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 · Oct 22, 2026 · View company records in RevenueBase
2Exact matchBudapest, HungaryHQ recorded Oct 22, 2026501-1,000568 contacts →

Exact match

“KPMG Global Services Hungary (KGSH) provides centralised tax compliance services to multinational companies.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchSterling, VA, United StatesHQ recorded Oct 22, 2026201-500230 contacts →

Exact match

“AOTAX is a leading U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Oct 22, 202651-200167 contacts →

Exact match

“Trowbridge Professional Corporation is a long established global accounting firm that provides a wide range of personal and corporate tax services, specializing in international…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Oct 22, 2026201-500153 contacts →

Exact match

“En UR Global acompañamos a empresas en su expansión internacional, ayudándoles a estructurar, implantar y gestionar sus filiales con seguridad y eficiencia.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchMaple Grove, MN, United StatesHQ recorded Oct 22, 202651-200130 contacts →

Exact match

“Global Tax Network ("GTN") is a mobility tax services firm.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Oct 22, 2026201-500129 contacts →

Exact match

“Expat US Tax helps US citizens and Green Card holders living and working abroad, with a focus on Australia, the UK and the Middle East.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchChennai, IndiaHQ recorded Oct 22, 202651-20089 contacts →

Exact match

“Ventura Pranas is a cross-border advisory firm providing specialised solutions to individuals and companies across the US, India, and Singapore.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Oct 22, 202651-20082 contacts →

Exact match

“Crescent Tax Filing, Inc- Your Trusted Partner in US #Tax Services for Over 7 Years Welcome to Crescent Tax Filing, Inc, your go-to destination for comprehensive US Tax…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 22, 202651-20070 contacts →

Exact match

“USTAXFS are the largest independent tax accounting firm in the UK & Europe specialising in US tax, including the complex specialism of US and UK cross-border tax planning.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202651-20064 contacts →

Exact match

“With clients in every country worldwide, Bright!Tax is the go-to cloud-based US expat tax prep firm most sought after by the 10 million Americans who are living abroad.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchBrossard, QC, CanadaHQ recorded Oct 22, 202651-20059 contacts →

Exact match

“Services * Expansion américaine et/ou internationale;* Conformité fiscale américaine (corporative);* Conformité fiscale américaine (individu);* « Snowbirds » et immobilier…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchNy, United StatesHQ recorded Oct 22, 202651-20056 contacts →

Exact match

“Tax Preparation for U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchFairfax, VA, United StatesHQ recorded Oct 22, 202651-20053 contacts →

Exact match

“The Wolf Group is a professional services firm based in Washington, D.C.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchGrandville, MI, United StatesHQ recorded Oct 22, 202611-5043 contacts →

Exact match

“Greenback makes life better for Americans living abroad and aims to take away the anxiety and hassle of helping US expats become and stay compliant with their US taxes while…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchModena, ItalyHQ recorded Oct 22, 202611-5042 contacts →

Exact match

“Arletti & Partners is a leading Italian advisory firm specialized in Global Mobility, international taxation and cross-border workforce management.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchFrankfurt, GermanyHQ recorded Oct 22, 2026n/a40 contacts →

Exact match

“Vialto Partners Steuerberatungsgesellschaft mbH ist ein unabhängiges Mitglied des Vialto Partners Netzwerks.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5037 contacts →

Exact match

“We believe that filing your US tax return should be easy and painless, no matter where you are in the world.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchHong KongHQ recorded Oct 22, 202611-5035 contacts →

Exact match

“Odin Mortgage & Tax is the leading Australian mortgage and tax service provider for expats and overseas residents across the globe.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchBuenos Aires, ArgentinaHQ recorded Oct 22, 202611-5031 contacts →

Exact match

“Holistic Relocation acompaña a equipos de RR.HH.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 22, 202611-5030 contacts →

Exact match

“As specialists in UK, US and Expatriate Tax, we provide unique tax advisory and compliance services that assist both individuals and companies.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchSydney, United KingdomHQ recorded Oct 22, 202651-20030 contacts →

Exact match

“CST is a international accounting and tax firm providing specialist income tax, professional accounting and advisory services to global expats and international enterprises.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchMiguel Hidalgo, MexicoHQ recorded Oct 22, 202651-20028 contacts →

Exact match

“Nuestros servicios profesionales fueron cuidadosamente diseñados para satisfacer las necesidades de nuestros clientes para el logro de sus objetivos y metas.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchUnited StatesHQ recorded Oct 22, 202611-5027 contacts →

Exact match

“For more than 30 years, Jaffe & Co has been providing comprehensive tax preparation and compliance services for American expatriates living in the UK, throughout Europe, and…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchAdelaide, AustraliaHQ recorded Oct 22, 202611-5027 contacts →

Exact match

“Atlas Wealth Group is the leading provider of Australian expat financial services.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 748 expatriate tax compliance companies worldwide

See the full list, filter by size, metro and specialty, and access 4,226 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Expatriate tax compliance companies worldwide at a glance

As of Oct 22, 2026
34.3%Verified-email coverage
16.5Average contacts per company
1-10Median size (employees)
3.9%Largest-city concentration · London
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
509
11-50
170
51-200
37
201-500
12
501-1,000
3
1,001-5,000
1
5,001-10,000
13

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 expatriate tax compliance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “expatriate tax compliance 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 4,226 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 October 22, 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.

Expatriate tax compliance companies by location

6 lists · largest first

Every Expatriate tax compliance 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 “expatriate tax compliance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many expatriate tax compliance companies are there worldwide?

RevenueBase identified 748 company matches for expatriate tax compliance companies worldwide as of October 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?

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

Which country has the most expatriate tax compliance companies?

The United States leads with 215 companies, followed by the United Kingdom (62) and the Netherlands (40). Every expatriate tax compliance companies list by country and city is linked on this page.

Which city has the most expatriate tax compliance companies?

London leads with 29 company records, followed by Miami (12) and New York (11).

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 4,226 professional contacts with verified work emails tracked across these 748 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 October 22, 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.