Company lists · Data refreshed October 2026

Top 25 Foreign tax compliance services worldwide

RevenueBase identified 9,503 company matches for foreign tax compliance services worldwide as of October 2026 and tracks 88,548 professional contacts across them, including 27,167 with verified work emails. Germany is the largest market and Sao Paulo the largest hub.

This list covers company matches for foreign tax compliance 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 October 22, 2026. Country and city lists for foreign tax compliance 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 Oct 22, 2026 How this list was built
9,503Companies
88,548Contacts tracked
27,167Verified emails
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The 25 largest foreign tax compliance services worldwide

Ranked by team size
Top 25 of 9,503 company matches for foreign tax compliance services 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 matchDallas, TX, United StatesHQ recorded Oct 22, 20265,001-10,0006,427 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 · Oct 22, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchFort Wayne, IN, United StatesHQ recorded Oct 22, 2026501-1,000946 contacts →

Exact match

“Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Oct 22, 2026501-1,000890 contacts →

Exact match

“En Grant Thornton España ayudamos a que tu empresa vaya más allá.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchMunich, GermanyHQ recorded Oct 22, 20261,001-5,000871 contacts →

Exact match

“WTS ist ein globaler Full-Service Anbieter für Steuerberatungsleistungen und Financial & Deal Advisory.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchOrléans, FranceHQ recorded Oct 22, 20261,001-5,000822 contacts →

Exact match

“Pour ORCOM, le conseil est un état d'esprit.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchBudapest, HungaryHQ recorded Oct 22, 2026501-1,000753 contacts →

Exact match

“A PwC Magyarország közel három évtizede nyújt ügyfeleinek nemzetközi színvonalú szolgáltatást könyvvizsgálat, adótanácsadás és üzleti tanácsadás területeken.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchBuenos Aires, ArgentinaHQ recorded Oct 22, 2026501-1,000565 contacts →

Exact match

“Somos una firma de profesionales altamente especializados y comprometidos con las necesidades de nuestros clientes.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchStockholm, SwedenHQ recorded Oct 22, 2026501-1,000524 contacts →

Exact match

“BDO – en global byrå med nöjdast kunder i revisionsbranschen BDO är en revisions- och rådgivningsbyrå som finns med dig hela vägen.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchSan Jose, CA, United StatesHQ recorded Oct 22, 2026501-1,000510 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 · Oct 22, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Oct 22, 202651-200504 contacts →

Exact match

“KNAV is a dynamic global accounting and consulting firm, offering a comprehensive range of services including accounting, assurance, taxation, international transfer pricing…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchAtlanta, GA, United StatesHQ recorded Oct 22, 2026501-1,000487 contacts →

Exact match

“Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchBonn, GermanyHQ recorded Oct 22, 20261,001-5,000484 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 · Oct 22, 2026 · View company records in RevenueBase
15Exact matchJakarta, IndonesiaHQ recorded Oct 22, 2026201-500365 contacts →

Exact match

“Founded in MUC Consulting (MUC) is at the forefront of business consultancy in Indonesia.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchExton, PA, United StatesHQ recorded Oct 22, 2026501-1,000362 contacts →

Exact match

“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchBerlin, GermanyHQ recorded Oct 22, 20261,001-5,000343 contacts →

Exact match

“Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchOrem, UT, United StatesHQ recorded Oct 22, 2026201-500324 contacts →

Exact match

“Squire is a nationally recognized audit, tax, and business advisory firm serving clients across the U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchGurgaon, IndiaHQ recorded Oct 22, 2026201-500311 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 · Oct 22, 2026 · View company records in RevenueBase
20Exact matchMadrid, SpainHQ recorded Oct 22, 2026201-500302 contacts →

Exact match

“Founded in Spain in 1979, and with a wide presence in LATAM & Europe, we become an extension of the Finance Department of our clients helping them in their expansion abroad.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchPrague, Czech RepublicHQ recorded Oct 22, 2026501-1,000299 contacts →

Exact match

“Jsme poradenská společnost poskytující auditorské, daňové, právní, účetní a poradenské služby.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchJakarta Selatan, IndonesiaHQ recorded Oct 22, 2026201-500299 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchWayne, PA, United StatesHQ recorded Oct 22, 2026201-500291 contacts →

Exact match

“GTM is a leading provider of corporate tax services.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchCalgary, AB, CanadaHQ recorded Oct 22, 2026201-500266 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchBoston, MA, United StatesHQ recorded Oct 22, 2026501-1,000253 contacts →

Exact match

“Radius was acquired by VISTRA and has been re-branded to VISTRA International Expansion.”

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

Showing 25 of 9,503 foreign tax compliance services worldwide

See the full list, filter by size, metro and specialty, and access 27,167 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Foreign tax compliance services worldwide at a glance

As of Oct 22, 2026
30.7%Verified-email coverage
9.3Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · Sao Paulo
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
5,447
11-50
3,087
51-200
616
201-500
109
501-1,000
42
1,001-5,000
20
5,001-10,000
11
10001+
5

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 foreign tax compliance services are linked below.
What qualifies
Company records worldwide whose business descriptions match “foreign tax compliance 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 27,167 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.

Foreign tax compliance services by location

53 lists · largest first

Every Foreign tax compliance 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 “foreign tax compliance services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many foreign tax compliance services are there worldwide?

RevenueBase identified 9,503 company matches for foreign tax compliance services 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?

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

Which country has the most foreign tax compliance services?

Germany leads with 2,134 companies, followed by the United States (1,057) and Brazil (814). Every foreign tax compliance services list by country and city is linked on this page.

Which city has the most foreign tax compliance services?

Sao Paulo leads with 186 company records, followed by Berlin (119) and Munich (99).

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 27,167 professional contacts with verified work emails tracked across these 9,503 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.