Company lists · Data refreshed October 2026

Top 25 International tax compliance consultants worldwide

RevenueBase identified 11,989 company matches for international tax compliance consultants worldwide as of October 2026 and tracks 104,148 professional contacts across them, including 28,582 with verified work emails. Germany is the largest market and Sao Paulo the largest hub.

This list covers company matches for international tax compliance consultants 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 international tax compliance consultants 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
11,989Companies
104,148Contacts tracked
28,582Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest international tax compliance consultants worldwide

Ranked by team size
Top 25 of 11,989 company matches for international tax compliance consultants 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 matchIssy-les-moulineaux, FranceHQ recorded Oct 22, 20261,001-5,0003,181 contacts →

Exact match

“We are an international consulting firm that helps businesses leverage financial incentives to boost their growth and achieve long-lasting performance.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchBrighton, United KingdomHQ recorded Oct 22, 2026n/a2,050 contacts →

Exact match

“A traditional general practice, with a twist.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 22, 2026501-1,0001,197 contacts →

Exact match

“At Moore Kingston Smith, we believe in the potential of people to make a positive impact, fuelled by the power of genuine understanding.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
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 matchParis La Défense, FranceHQ recorded Oct 22, 2026501-1,000715 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 · Oct 22, 2026 · View company records in RevenueBase
9Exact matchMexico City, MexicoHQ recorded Oct 22, 2026501-1,000708 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 · Oct 22, 2026 · View company records in RevenueBase
10Exact 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
11Exact 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
12Exact 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
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 matchMumbai, IndiaHQ recorded Oct 22, 2026501-1,000431 contacts →

Exact match

“Dhruva Advisors, a Ryan LLC affiliate, delivers strategic tax and regulatory solutions to clients across India and around the world.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchPalo Alto, CA, United StatesHQ recorded Oct 22, 2026201-500417 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 · Oct 22, 2026 · View company records in RevenueBase
16Exact matchAmsterdam, NetherlandsHQ recorded Oct 22, 2026201-500409 contacts →

Exact match

“Our mission is to advance the dissemination and understanding of information on cross-border taxation.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact 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
18Exact 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
19Exact matchBoston, MA, United StatesHQ recorded Oct 22, 2026201-500316 contacts →

Exact match

“Drummond Advisors provides global consulting services to companies focusing on accounting, tax, legal and business development.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact 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
21Exact 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
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 matchMumbai, IndiaHQ recorded Oct 22, 2026201-500272 contacts →

Exact match

“Transaction Square is a Tax, Regulatory and Business Advisory firm founded by entrepreneurial Big-4 Partners having collective advisory experience spanning over 3 decades.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchSenningerberg, LuxembourgHQ recorded Oct 22, 202651-200252 contacts →

Exact match

“We are a high-end independent advisory firm offering a comprehensive and integrated range of direct and indirect tax solutions, as well as corporate finance, transfer pricing and…”

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

Showing 25 of 11,989 international tax compliance consultants worldwide

See the full list, filter by size, metro and specialty, and access 28,582 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

International tax compliance consultants worldwide at a glance

As of Oct 22, 2026
27.4%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · Sao Paulo
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
6,849
11-50
4,041
51-200
731
201-500
124
501-1,000
29
1,001-5,000
23
5,001-10,000
9
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 international tax compliance consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “international tax compliance consultants” 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 28,582 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.

International tax compliance consultants by location

71 lists · largest first

Every International tax compliance consultants 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 “international tax compliance consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many international tax compliance consultants are there worldwide?

RevenueBase identified 11,989 company matches for international tax compliance consultants 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 international tax compliance consultants?

Germany leads with 2,548 companies, followed by the United States (1,142) and Brazil (1,063). Every international tax compliance consultants list by country and city is linked on this page.

Which city has the most international tax compliance consultants?

Sao Paulo leads with 254 company records, followed by Berlin (142) and London (135).

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 28,582 professional contacts with verified work emails tracked across these 11,989 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.

Ready to reach these companies? Verified emails and direct dials for all 11,989 international tax compliance consultants worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.