Company lists · Data refreshed September 2026
Top 16 International business law firms based in Rio De Janeiro, Brazil
RevenueBase identified 1,003 international business law firms headquartered in Rio De Janeiro, Brazil as of September 2026 and tracks 11,308 professional contacts across them, including 3,661 with verified work emails. Sao Paulo is the largest hub.
This list covers international business law firms headquartered in Rio De Janeiro, Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 2026.
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.
The 16 largest international business law firms based in Rio De Janeiro, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | Villemor Amaral AdvogadosIndirect evidence | 393 | |||
“Foi em 1909, na cidade do Rio de Janeiro, que o renomado comercialista Hermano de Villemor Amaral inaugurou o Escritório.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | Pellon & Associados Advocacia EmpresarialIndirect evidence | 214 | |||
“Os anos de experiência e uma atuação marcante em Seguros e Resseguros nos levou a ampliar nossas atividades em Telecomunicações, Bancos, Concessionárias de Serviços Públicos…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 180 | ||||
“Fundado em novembro de 1992, o CMARTINS Advogados tem se destacado pela tradição e eficiência na prestação de serviços jurídicos, atuando em regime de full legal assistance em…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 176 | ||||
“Castro Barros Advogados is one of the most respected law firms in Brazil, rendering services to business clients throughout Brazil and the world in a broad range of practice areas.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 167 | ||||
“Reinventando o Direito.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | Ferro, Castro Neves, Daltro & Gomide Advogados Fcdg AdvogadosIndirect evidence | 153 | |||
“Fundado em 2005, Ferro, Castro Neves, Daltro & Gomide Advogados - FCDG é um escritório de advocacia brasileiro de primeira linha, especializado em resolução de disputas.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | 151 | ||||
“Em 1995, em meio às mudanças que definiram a nova economia brasileira, nascia o Vieira Rezende Advogados.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | 151 | ||||
“Gustavo Padilha Advogados has a culture of its own, with a pro-business approach resulting from a wide interaction between its different practice areas.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | 94 | ||||
“DSMA Azulay Advogados é um escritório de advocacia formado por profissionais altamente especializados nos ramos do direito civil, tributário, administrativo, imobiliário…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | 87 | ||||
“Fundado em 2007, Brandão Couto, Wigderowitz & Pessoa Advogados busca, desde então, prestar atendimento personalizado e de excelência aos seus clientes, priorizando sempre os…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 86 | ||||
“Com mais de 20 anos de história, o MLA é uma banca de soluções jurídicas que atua em diversas áreas do direito e setores econômicos.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 83 | ||||
“Bhering Advogados was founded in 1978 and practices in all fields of Intellectual Property and related matters, including trademarks, patents, industrial designs, copyright and…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 78 | ||||
“Somos um escritório multidisciplinar, atento aos novos desafios de um mundo cada vez mais dinâmico.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 77 | ||||
“O Braz, Coelho, Veras, Lessa e Bueno Advogados é um escritório de advocacia especializado nas áreas de Infraestrutura, Empresarial, Arbitragem, Tributário e Ambiental.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | 68 | ||||
“Barros & Advogados Associados é um escritório de advocacia especializado em Direito Bancário, Cível e Comercial, fundado no ano de 1994.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | 65 | ||||
“Fux Advogados nasceu da combinação das experiências profissionais acumuladas por Rodrigo Fux e Leonel Pittzer em litígios de alta complexidade, cada qual em sua especialidade.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 16 of 1,003 international business law firms based in Rio De Janeiro, Brazil
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International business law firms based in Rio De Janeiro, Brazil at a glance
As of Sep 4, 2026Companies by employee count
Email recency for this list is measured across the whole Brazil list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 1,003 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among international business law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- 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.
- What qualifies
- Companies headquartered in Rio De Janeiro, Brazil whose own description of what they do matches “international business law firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among international business law firms, and records with no verified work email. Companies headquartered outside Rio De Janeiro are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 3,661 across the full list. 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 4, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
International business law firms by metro in Brazil
- International business law firms in Sao Paulo3392
- International business law firms in Rio De Janeiro1003
- International business law firms in Curitiba679
- International business law firms in Belo Horizonte658
- International business law firms in Porto Alegre589
- International business law firms in Brasilia375
- International business law firms in Campinas325
- International business law firms in Recife263
- International business law firms in Salvador247
- International business law firms in Florianopolis214
- International business law firms in Goiania211
- International business law firms in Fortaleza199
- International business law firms in Ribeirao Preto164
- International business law firms in Vitoria152
- International business law firms in Londrina131
- International business law firms in Joinville122
- International business law firms in Santos100
- International business law firms in Sorocaba98
- International business law firms in Barueri95
- International business law firms in Sao Bernardo Do Campo95
- International business law firms in Guarulhos88
- International business law firms in Maringa86
- International business law firms in Caxias Do Sul84
- International business law firms in Santo Andre84
- International business law firms in Belem83
- International business law firms in Uberlandia83
- International business law firms in Campo Grande80
- International business law firms in Jundiai80
- International business law firms in Manaus77
- International business law firms in Cuiaba74
- International business law firms in Sao Jose Do Rio Preto74
- International business law firms in Sao Jose Dos Campos74
- International business law firms in Natal73
- International business law firms in Blumenau68
- International business law firms in Brasilia Df59
- International business law firms in Sao Caetano Do Sul59
- International business law firms in Joao Pessoa58
- International business law firms in Niteroi57
- International business law firms in Piracicaba54
- International business law firms in Juiz De Fora53
- International business law firms in Bauru49
- International business law firms in Vila Velha49
- International business law firms in Itajai48
- International business law firms in Sao Luis48
- International business law firms in Novo Hamburgo47
- International business law firms in Americana44
- International business law firms in Nova Lima44
- International business law firms in Cascavel42
- International business law firms in Maceio42
- International business law firms in Mogi Das Cruzes42
- International business law firms in Criciuma39
- International business law firms in Balneario Camboriu38
- International business law firms in Chapeco33
- International business law firms in Jaragua Do Sul32
- International business law firms in Osasco32
- International business law firms in Sao Jose30
- International business law firms in Ponta Grossa29
- International business law firms in Anapolis28
- International business law firms in Aracaju27
- International business law firms in Palmas26
Frequently asked
How many international business law firms are there based in Rio De Janeiro, Brazil?
RevenueBase identified 1,003 international business law firms headquartered in Rio De Janeiro, Brazil as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Villemor Amaral Advogados, headquartered in Rio De Janeiro, tops this list with the largest team on record.
Which city has the most international business law firms?
Sao Paulo leads with 3392 headquartered companies, followed by Rio De Janeiro (1003) and Curitiba (679).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,661 verified decision-maker contacts tracked across these 1,003 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 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.
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