Company lists · Data refreshed September 2026

Top 25 Tariff and duty law firms worldwide

RevenueBase identified 1,663 company matches for tariff and duty law firms worldwide as of September 2026 and tracks 12,503 professional contacts across them, including 3,217 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for tariff and duty law firms 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 September 29, 2026. Country and city lists for tariff and duty law firms 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 Sep 29, 2026 How this list was built
1,663Companies
12,503Contacts tracked
3,217Verified emails
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The 25 largest tariff and duty law firms worldwide

Ranked by team size
Top 25 of 1,663 company matches for tariff and duty law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchWinnipeg, MB, CanadaHQ recorded Sep 29, 202651-200276 contacts →

Exact match

“North America's sole-focus customs brokerage and trade compliance partner since 1901.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchNogales, MexicoHQ recorded Sep 29, 2026501-1,000262 contacts →

Exact match

“Gamas has been providing trade services since 1942.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchNova Lima, BrazilHQ recorded Sep 29, 2026201-500216 contacts →

Exact match

“Inter Aduaneira, the first company of the Inter Group, established in 1996, in Belo Horizonte.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchİstanbul, TürkiyeHQ recorded Sep 29, 202651-200207 contacts →

Exact match

“NAZALI; kamu ve özel sektör tecrübesine sahip ortak ve çalışanları ile vergi, sosyal güvenlik ve gümrük alanlarında uzmanlaşmış, Türkiye’nin tescilli ilk mali hukuk bürosudur.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchPeabody, MA, United StatesHQ recorded Sep 29, 2026201-500189 contacts →

Exact match

“Tradewin, established in 1997, is a leading provider of import and export advice worldwide.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202651-200178 contacts →

Exact match

“Em 2017 nasce um Escritório embasado em relações de confiança e de proximidade, construídas por meio de um atendimento personalizado, ágil e eficaz.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchJakarta Selatan, IndonesiaHQ recorded Sep 29, 202651-200155 contacts →

Exact match

“GNV Consulting is widely recognized as one of the leading consulting firms providing non-attest services for tax, customs and related trade regulatory issues in Indonesia.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchBrussels, BelgiumHQ recorded Sep 29, 202651-200128 contacts →

Exact match

“Van Bael & Bellis is a leading independent international law firm headquartered in Brussels and with offices in London and Geneva.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchİstanbul, TürkiyeHQ recorded Sep 29, 2026201-500126 contacts →

Exact match

“Customs Consultancy”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchKaty, TX, United StatesHQ recorded Sep 29, 202651-200118 contacts →

Exact match

“Charter Brokerage is a leading global trade services company providing complete customs, import, export, drawback and related services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchMiami, FL, United StatesHQ recorded Sep 29, 202651-200118 contacts →

Exact match

“Since 1977, Sandler, Travis & Rosenberg, P.A.(ST & R) has set the standard for providing comprehensive and effective international trade-related legal and consulting services to…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchLondrina, BrazilHQ recorded Sep 29, 202651-200106 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 · Sep 29, 2026 · View company records in RevenueBase
13Exact matchCampinas, BrazilHQ recorded Sep 29, 2026501-1,000100 contacts →

Exact match

“A história da S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchCampinas, BrazilHQ recorded Sep 29, 202651-20097 contacts →

Exact match

“Somos uma Comissária de Despachos Aduaneiros, especializada em Logística Internacional e Assessoria em Comércio Exterior.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchUnited StatesHQ recorded Sep 29, 202651-20094 contacts →

Exact match

“Desde el año estamos instalados en Zonamérica, siendo así el primer estudio full-service de Uruguay en abrir oficinas en una Zona Franca del país.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchTaylor, MI, United StatesHQ recorded Sep 29, 202651-20089 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchVancouver, BC, United StatesHQ recorded Sep 29, 202651-20083 contacts →

Exact match

“For over 45 years, A&A Customs Brokers has been simplifying the complexities of international trade.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchCali, ColombiaHQ recorded Sep 29, 202651-20082 contacts →

Exact match

“Agencia de Aduanas presente en el mercado desde 1981.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 29, 202651-20079 contacts →

Exact match

“Cassidy Levy Kent (CLK) is an international law firm that focuses on legal and policy issues raised by cross-border transactions, trade controls, trade remedy litigation…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20078 contacts →

Exact match

“Campbell Johnston Clark has become one of the pre-eminent international shipping law firms in the City.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchFortaleza, BrazilHQ recorded Sep 29, 202651-20078 contacts →

Exact match

“A Ftrade Brasil foi criada em 2002 para assessorar importadores e exportadores e prestar serviços relacionados e despachos aduaneiros.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchHeroica Matamoros, MexicoHQ recorded Sep 29, 202651-20072 contacts →

Exact match

“Nuestra Misión: Entender a nuestros clientes para proveerles soluciones de comercio y logística internacional de calidad, que generen valor a su proceso de negocio ejecutadas con…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchItajai, BrazilHQ recorded Sep 29, 202651-20066 contacts →

Exact match

“Somos especialistas em soluções de comércio internacional, com mais de 20 anos de experiência em aprimorar seus processos.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchRotterdam, NetherlandsHQ recorded Sep 29, 202651-20061 contacts →

Exact match

“Founded in 1898, the firm has grown through the years into a law firm with an international scope.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5054 contacts →

Exact match

“Founded by Ed Floyd and Luke Zadkovich in 2017, Floyd Zadkovich is now a global team of over 30 ambitious lawyers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 1,663 tariff and duty law firms worldwide

See the full list, filter by size, metro and specialty, and access 3,217 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tariff and duty law firms worldwide at a glance

As of Sep 29, 2026
25.7%Verified-email coverage
7.5Average contacts per company
1-10Median size (employees)
2.8%Largest-city concentration · Sao Paulo
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
981
11-50
527
51-200
123
201-500
13
501-1,000
6
1,001-5,000
2
10001+
2

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 tariff and duty law firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “tariff and duty law firms” 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 3,217 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 September 29, 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.

Tariff and duty law firms by location

15 lists · largest first

Every Tariff and duty law firms 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 “tariff and duty law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tariff and duty law firms are there worldwide?

RevenueBase identified 1,663 company matches for tariff and duty law firms worldwide as of September 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?

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

Which country has the most tariff and duty law firms?

Brazil leads with 267 companies, followed by the United States (197) and Mexico (167). Every tariff and duty law firms list by country and city is linked on this page.

Which city has the most tariff and duty law firms?

Sao Paulo leads with 46 company records, followed by Istanbul (33) and Washington (31).

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 3,217 professional contacts with verified work emails tracked across these 1,663 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 September 29, 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.