Company lists · Data refreshed October 2026

Top 25 International tax attorneys worldwide

Name: International tax attorneys worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 29,967 companies tracked

RevenueBase identified 29,967 company matches for international tax attorneys worldwide as of October 2026 and tracks 383,238 professional contacts across them, including 129,510 with verified work emails. Germany is the largest market and Sao Paulo the largest hub.

This list covers company matches for international tax attorneys 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 attorneys 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

29,967Companies

383,238Contacts tracked

129,510Verified emails

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The 25 largest international tax attorneys worldwide

Ranked by team size

Top 25 of 29,967 company matches for international tax attorneys 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Baker Mckenzie	Exact match	Chicago, IL, United StatesHQ recorded Oct 22, 2026	10001+	10,046 contacts →
	Exact match “Baker McKenzie empowers clients to compete in the global economy.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	White & Case LLP	Exact match	New York, NY, United StatesHQ recorded Oct 22, 2026	1,001-5,000	7,875 contacts →
	Exact match “White & Case is a global law firm with longstanding offices in the markets that matter today.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	Freshfields	Exact match	London, United KingdomHQ recorded Oct 22, 2026	5,001-10,000	6,712 contacts →
	Exact match “Freshfields is a global firm with over 280 years’ experience of anticipating change, setting new standards and shaping the future of law.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	RYAN	Exact match	Dallas, TX, United StatesHQ recorded Oct 22, 2026	5,001-10,000	6,427 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
5	Kpmg España	Exact match	Madrid, SpainHQ recorded Oct 22, 2026	5,001-10,000	5,132 contacts →
	Exact match “KPMG en España es una firma de servicios profesionales que ofrece servicios de auditoría, fiscales y de asesoramiento legal, financiero y de negocio con más de 2.700 profesionales…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	Holland & Knight LLP	Exact match	Tampa, FL, United StatesHQ recorded Oct 22, 2026	1,001-5,000	4,398 contacts →
	Exact match “Holland & Knight is a global law firm with more than 2,200 lawyers and other professionals in 36 offices throughout the world.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7	Mayer Brown	Exact match	Chicago, IL, United StatesHQ recorded Oct 22, 2026	1,001-5,000	4,372 contacts →
	Exact match “Mayer Brown is a leading international law firm, positioned to represent the world’s major corporations, funds and financial institutions in their most important and complex…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	In Extenso	Exact match	Lyon, FranceHQ recorded Oct 22, 2026	5,001-10,000	3,362 contacts →
	Exact match “Crée en 1991 In Extenso est l’un des leaders de l’expertise comptable en France.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	Garrigues	Exact match	Madrid, SpainHQ recorded Oct 22, 2026	1,001-5,000	2,923 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 · Oct 22, 2026 · View company records in RevenueBase
10	Weil, Gotshal & Manges LLP	Exact match	New York, NY, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,803 contacts →
	Exact match “Founded in 1931, Weil, Gotshal & Manges LLP has been a preeminent provider of legal services for the past 90 years.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	King & Wood Mallesons	Exact match	Hong KongHQ recorded Oct 22, 2026	1,001-5,000	2,727 contacts →
	Exact match “A firm born in Asia, underpinned by world class capability.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	FIDAL	Exact match	Paris La Défense, FranceHQ recorded Oct 22, 2026	1,001-5,000	2,387 contacts →
	Exact match “Fidal is the largest leading independent business law firm in France.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	Seyfarth Shaw LLP	Exact match	Chicago, IL, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,250 contacts →
	Exact match “High stakes.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	Deloitte Legal	Exact match	United KingdomHQ recorded Oct 22, 2026	1,001-5,000	2,176 contacts →
	Exact match “With more than 2,500 legal professionals operating in over 75 countries, Deloitte Legal collaborates seamlessly across borders and with other Deloitte businesses and service lines.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	Bakerhostetler	Exact match	Washington, DC, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,173 contacts →
	Exact match “Recognized as one of the top firms for client service and quality of legal services, BakerHostetler is a leading law firm that helps clients around the world address their most…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	Perkins Coie	Exact match	Seattle, WA, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,062 contacts →
	Exact match “Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	Slaughter And MAY	Exact match	London, United KingdomHQ recorded Oct 22, 2026	1,001-5,000	2,059 contacts →
	Exact match “Slaughter and May is regarded as one of the most prestigious law firms in the world.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	TAX Consultant	Exact match	Brighton, United KingdomHQ recorded Oct 22, 2026	n/a	2,050 contacts →
	Exact match “A traditional general practice, with a twist.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	Tozzinifreire Advogados	Exact match	São Paulo, BrazilHQ recorded Oct 22, 2026	1,001-5,000	1,797 contacts →
	Exact match “TozziniFreire is one of the leading legal services organizations in Latin America, operating in all areas of Business Law and with a significant track record in serving national…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20	PKF O'connor Davies	Exact match	Harrison, NY, United StatesHQ recorded Oct 22, 2026	1,001-5,000	1,784 contacts →
	Exact match “PKF O’Connor Davies is a top-tier accounting, tax and advisory practice with a long history of serving domestic and international clients.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	Dorsey & Whitney LLP	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 22, 2026	1,001-5,000	1,702 contacts →
	Exact match “Clients have relied on the international law firm of Dorsey & Whitney LLP since 1912 as a trusted legal advisor and valued business partner.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	BDO Germany	Exact match	Hamburg, GermanyHQ recorded Oct 22, 2026	1,001-5,000	1,601 contacts →
	Exact match “BDO is the leading entrepreneurial driven provider for audit and audit-related services, tax and business law consulting as well as advisory services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	Kpmg Argentina	Exact match	Caba, IndiaHQ recorded Oct 22, 2026	1,001-5,000	1,576 contacts →
	Exact match “KPMG Argentina es una firma que provee servicios profesionales de Auditoría, Impuestos y Legales, Asesoría.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Loyens & Loeff	Exact match	Amsterdam, NetherlandsHQ recorded Oct 22, 2026	1,001-5,000	1,520 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 · Oct 22, 2026 · View company records in RevenueBase
25	Mishcon DE Reya LLP	Exact match	London, United KingdomHQ recorded Oct 22, 2026	1,001-5,000	1,457 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 · Oct 22, 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 “international tax attorneys”. 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 29,967 international tax attorneys worldwide

See the full list, filter by size, metro and specialty, and access 129,510 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International tax attorneys worldwide at a glance

As of Oct 22, 2026

33.8%Verified-email coverage

12.8Average contacts per company

1-10Median size (employees)

3.4%Largest-city concentration · Sao Paulo

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

17,126

11-50

10,165

51-200

1,834

201-500

301

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 international tax attorneys are linked below.
What qualifies: Company records worldwide whose business descriptions match “international tax attorneys” 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 129,510 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 attorneys by location

171 lists · largest first

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

How many international tax attorneys are there worldwide?

RevenueBase identified 29,967 company matches for international tax attorneys 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?

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

Which country has the most international tax attorneys?

Germany leads with 4,028 companies, followed by Brazil (3,948) and the United States (2,297). Every international tax attorneys list by country and city is linked on this page.

Which city has the most international tax attorneys?

Sao Paulo leads with 1019 company records, followed by Madrid (482) and Milan (410).

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 129,510 professional contacts with verified work emails tracked across these 29,967 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.