Company lists · Data refreshed October 2026

Top 25 Tax controversy attorneys worldwide

RevenueBase identified 5,063 company matches for tax controversy attorneys worldwide as of October 2026 and tracks 31,400 professional contacts across them, including 8,140 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for tax controversy 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 tax controversy 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
5,063Companies
31,400Contacts tracked
8,140Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest tax controversy attorneys worldwide

Ranked by team size
Top 25 of 5,063 company matches for tax controversy 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact 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
2Exact matchBonn, GermanyHQ recorded Oct 22, 2026501-1,000659 contacts →

Exact match

“Flick Gocke Schaumburg is an independent partnership of lawyers, tax advisors and auditors working with more than 320 professionals from offices in Berlin, Bonn, Düsseldorf…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchCourbevoie, FranceHQ recorded Oct 22, 2026501-1,000655 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 · Oct 22, 2026 · View company records in RevenueBase
4Exact matchSão Paulo, BrazilHQ recorded Oct 22, 2026501-1,000417 contacts →

Exact match

“6º escritório mais lembrado por executivos jurídicos das maiores empresas e bancos na América Latina (pesquisas do LACCA | Who Represents Latin America's Biggest Companies…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchCerritos, CA, United StatesHQ recorded Oct 22, 2026501-1,000305 contacts →

Exact match

“Chugh, LLP is a full-service law and tax firm with offices in Los Angeles, Santa Clara, San Diego, and Newark in CA, Edison, NJ, Atlanta, GA, Herndon, VA, New York, NY, Brentwood…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchBelo Horizonte, BrazilHQ recorded Oct 22, 202651-200213 contacts →

Exact match

“Fundado em 17 de agosto de 1994, o Sacha Calmon – Misabel Derzi Consultores e Advogados (SCMD) é referência nacional em Direito Tributário.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchViña Del Mar, ChileHQ recorded Oct 22, 2026n/a195 contacts →

Exact match

“Oficina contable que se caracteriza por el profesionalismo de sus integrantes, la rápida solución a los problemas que se presenten y la atención que presta a sus clientes.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchDüsseldorf, GermanyHQ recorded Oct 22, 2026501-1,000182 contacts →

Exact match

“Tax Advisory, Legal Advisory, Audit & Business Consulting Four disciplines.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchCartagena, SpainHQ recorded Oct 22, 2026n/a180 contacts →

Exact match

“Nuestras asesorías en Cartagena y Murcia están altamente capacitadas para realizar un servicio global de asesoramiento laboral, fiscal y contable.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Oct 22, 202651-200163 contacts →

Exact match

“Zuckerman Spaeder LLP is consistently recognized as a leading national litigation boutique.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchRio De Janeiro, BrazilHQ recorded Oct 22, 202651-200145 contacts →

Exact match

“Referência entre os escritórios brasileiros, o Maneira Advogados se destaca por sua atuação ampla e diversificada, contando com equipes altamente especializadas para oferecer…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchLos Angeles, CA, United StatesHQ recorded Oct 22, 202651-200124 contacts →

Exact match

“Anthem Tax Services (ATS) is one of the highest rated Tax Resolution Companies in the U.S, comprised of professionals who are passionate about representing taxpayers and fighting…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchRecife, BrazilHQ recorded Oct 22, 202651-200122 contacts →

Exact match

“Escritório fundado em 1991 e com enfoque único em contencioso tributário e direito municipalista.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchMéxico, MexicoHQ recorded Oct 22, 2026201-500122 contacts →

Exact match

“Skatt es una de las pocas Firmas de origen mexicano con presencia internacional, contamos con oficinas estratégicamente ubicadas en las principales ciudades de México, Estados…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchLondrina, BrazilHQ recorded Oct 22, 202651-200111 contacts →

Exact match

“DIREITO TRIBUTÁRIO Completa assessoria a contribuintes, para a melhor interpretação e aplicação de normas tributárias; Consultoria voltada para o correto planejamento e…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchVancouver, BC, CanadaHQ recorded Oct 22, 202651-200110 contacts →

Exact match

“Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchMilan, ItalyHQ recorded Oct 22, 202651-200100 contacts →

Exact match

“Maisto e Associati is an independent Italian law firm specialised in tax law.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchPlano, TX, United StatesHQ recorded Oct 22, 202651-20096 contacts →

Exact match

“Ryan Law is headquartered in Plano, Texas, with offices across the United States and Canada.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchGoiania, BrazilHQ recorded Oct 22, 202651-20096 contacts →

Exact match

“A KBL Accounting foi fundada em 2007, oferecendo soluções nas áreas de contabilidade empresarial e assessoria jurídica tributária.Atualmente, atendemos clientes do segmento…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchBroomfield, CO, United StatesHQ recorded Oct 22, 202651-20095 contacts →

Exact match

“Over the past 28 years, 20/20 Tax Resolution has helped over businesses and individuals reach successful resolutions with their IRS and state tax liabilities.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchBelo Horizonte, BrazilHQ recorded Oct 22, 202651-20094 contacts →

Exact match

“Prestamos serviços jurídicos da forma que você precisa, no seu ritmo e intensidade.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchLimassol, CyprusHQ recorded Oct 22, 202651-20092 contacts →

Exact match

“REVERA law group is an international team of reliable legal professionals.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchPorto Alegre, BrazilHQ recorded Oct 22, 202611-5085 contacts →

Exact match

“Somos Especialistas em Soluções Societárias, Tributárias e Jurídicas.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchSan Pedro Garza García, MexicoHQ recorded Oct 22, 202651-20078 contacts →

Exact match

“Copper Wolf Mexico es una firma con socios que cuentan con experiencia profesional promedio de más 20 años, misma que han desarrollado fundamentalmente en la asesoría y…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchSao Paulo, BrazilHQ recorded Oct 22, 202651-20076 contacts →

Exact match

“O escritório Mariz de Oliveira e Siqueira Campos Advogados, registrado na OAB-SP sob o n.”

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

Showing 25 of 5,063 tax controversy attorneys worldwide

See the full list, filter by size, metro and specialty, and access 8,140 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Tax controversy attorneys worldwide at a glance

As of Oct 22, 2026
25.9%Verified-email coverage
6.2Average contacts per company
1-10Median size (employees)
4.9%Largest-city concentration · Sao Paulo
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
3,305
11-50
1,465
51-200
213
201-500
24
501-1,000
11
1,001-5,000
1
10001+
4

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 tax controversy attorneys are linked below.
What qualifies
Company records worldwide whose business descriptions match “tax controversy 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 8,140 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.

Tax controversy attorneys by location

37 lists · largest first

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

How many tax controversy attorneys are there worldwide?

RevenueBase identified 5,063 company matches for tax controversy 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?

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

Which country has the most tax controversy attorneys?

Brazil leads with 1,005 companies, followed by the United States (659) and Germany (548). Every tax controversy attorneys list by country and city is linked on this page.

Which city has the most tax controversy attorneys?

Sao Paulo leads with 250 company records, followed by Paris (73) and Porto Alegre (71).

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 8,140 professional contacts with verified work emails tracked across these 5,063 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 5,063 tax controversy attorneys 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.