Company lists · Data refreshed September 2026
Top 25 Business law firms based in Rio De Janeiro, Brazil
RevenueBase identified 1,119 business law firms headquartered in Rio De Janeiro, Brazil as of September 2026 and tracks 13,649 professional contacts across them, including 4,342 with verified work emails. Sao Paulo is the largest hub.
This list covers 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 25 largest business law firms based in Rio De Janeiro, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 840 contacts → | ||||
Strong evidence “Founded in 1995, BMA – Barbosa Müssnich Aragão is now one of the foremost law firms in Latin America.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 799 contacts → | ||||
Strong evidence “Through hard work and dedication over the past 15 years, Chalfin, Goldberg & Vainboim Advogados (“CGV“) has achieved a leading position among the biggest and best Brazilian law…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 772 contacts → | ||||
Strong evidence “Veirano Advogados is one of the leading and most renowned Brazilian business law firms, focused on developing tailored solutions for multinational companies operating in strategic…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 531 contacts → | ||||
Indirect evidence “For more than 20 years, we have built a trajectory based on values and ethical principles.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 386 contacts → | ||||
Indirect evidence “Foi em 1909, na cidade do Rio de Janeiro, que o renomado comercialista Hermano de Villemor Amaral inaugurou o Escritório.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 335 contacts → | ||||
Strong evidence “Licks Attorneys is a top-tier Brazilian law firm widely recognized for successfully handling large and strategic Intellectual Property, Life Sciences, Food & Drug, Regulatory…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 272 contacts → | ||||
Strong evidence “We are a business law firm operating throughout Brazil with the support of a team of experienced lawyers, specialized in different practice areas applied to several industry…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 214 contacts → | ||||
Indirect evidence “Fundado em 1959, Ulhôa Canto Advogados é referência em advocacia empresarial.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 180 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 177 contacts → | ||||
Strong evidence “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: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 170 contacts → | ||||
Indirect evidence “Reinventando o Direito.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 154 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 153 contacts → | ||||
Indirect evidence “Em 1995, em meio às mudanças que definiram a nova economia brasileira, nascia o Vieira Rezende Advogados.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 149 contacts → | ||||
Indirect evidence “Referência entre os escritórios brasileiros, o Maneira Advogados se destaca por sua atuação ampla e diversificada, contando com equipes altamente especializadas para oferecer…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 149 contacts → | ||||
Strong evidence “Law firm with strategic expertise across multiple areas of law, providing personalized legal counsel to domestic and international companies and clients, with a focus on…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 141 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 126 contacts → | ||||
Indirect evidence “Especializados em Direito Empresarial, concentramos em um único Escritório todas as soluções jurídicas que sua empresa pode precisar.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 111 contacts → | ||||
Strong evidence “Corporate and Civil Law Firm Áreas de atuação: • Societário • Capital Estrangeiro • Propriedade Intelectual e Transferência de Tecnologia • Contencioso Cível • Arbitragem •…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 104 contacts → | ||||
Indirect evidence “Bocater Advogados foi fundado em com foco em direito societário e mercado de capitais.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 100 contacts → | ||||
Indirect evidence “Temos um time multidisciplinar completo, de profissionais experimentados no dia a dia de grandes empresas nacionais e multinacionais e com alta vivência acadêmica no Brasil e no…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 97 contacts → | ||||
Indirect evidence “DSMA Azulay Advogados é um escritório de advocacia formado por profissionais altamente especializados nos ramos do direito civil, tributário, administrativo, imobiliário…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 87 contacts → | ||||
Indirect evidence “Fundado em 2007, Brandão Couto, Wigderowitz & Pessoa Advogados busca, desde então, prestar atendimento personalizado e de excelência aos seus clientes, priorizando sempre os…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 84 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 78 contacts → | ||||
Indirect evidence “Somos um escritório multidisciplinar, atento aos novos desafios de um mundo cada vez mais dinâmico.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 69 contacts → | ||||
Indirect evidence “Em 1995, fundamos o nosso escritório no Rio de Janeiro.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: business law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names business law firms.
- Partial evidence
- Its own public description names part of business law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name business law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,119 business law firms based in Rio De Janeiro, Brazil
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Business law firms based in Rio De Janeiro, Brazil at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 1,119 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 business law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “business law firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names business law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among 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 its RevenueBase Smart Search 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, 4,342 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 20, 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.
Business law firms by metro in Brazil
- Business law firms in Sao Paulo3750
- Business law firms in Rio De Janeiro1119
- Business law firms in Curitiba781
- Business law firms in Belo Horizonte767
- Business law firms in Porto Alegre685
- Business law firms in Brasilia392
- Business law firms in Campinas361
- Business law firms in Recife311
- Business law firms in Salvador295
- Business law firms in Florianopolis241
- Business law firms in Goiania241
- Business law firms in Fortaleza227
- Business law firms in Ribeirao Preto182
- Business law firms in Vitoria165
- Business law firms in Londrina148
- Business law firms in Joinville130
- Business law firms in Sorocaba113
- Business law firms in Sao Bernardo Do Campo108
- Business law firms in Santo Andre105
- Business law firms in Guarulhos102
- Business law firms in Maringa100
- Business law firms in Barueri98
- Business law firms in Belem97
- Business law firms in Campo Grande94
- Business law firms in Sao Jose Dos Campos93
- Business law firms in Uberlandia93
- Business law firms in Natal92
- Business law firms in Santos92
- Business law firms in Jundiai91
- Business law firms in Cuiaba90
- Business law firms in Blumenau89
- Business law firms in Sao Jose Do Rio Preto87
- Business law firms in Manaus85
- Business law firms in Caxias Do Sul83
- Business law firms in Niteroi70
- Business law firms in Juiz De Fora68
- Business law firms in Bauru65
- Business law firms in Joao Pessoa64
- Business law firms in Piracicaba63
- Business law firms in Sao Caetano Do Sul62
- Business law firms in Vila Velha56
- Business law firms in Brasilia Df54
- Business law firms in Balneario Camboriu52
- Business law firms in Novo Hamburgo52
- Business law firms in Sao Luis51
- Business law firms in Mogi Das Cruzes49
- Business law firms in Americana48
- Business law firms in Itajai48
- Business law firms in Maceio45
- Business law firms in Nova Lima44
- Business law firms in Ponta Grossa43
- Business law firms in Aracaju41
- Business law firms in Cascavel40
- Business law firms in Criciuma37
- Business law firms in Jaragua Do Sul36
- Business law firms in Chapeco35
- Business law firms in Osasco33
- Business law firms in Anapolis32
- Business law firms in Indaiatuba32
- Business law firms in Volta Redonda31
- Business law firms in Diadema30
- Business law firms in Marilia30
- Business law firms in Teresina30
- Business law firms in Santa Maria29
- Business law firms in Sao Jose29
- Business law firms in Presidente Prudente28
- Business law firms in Uberaba28
- Business law firms in Limeira27
- Business law firms in Passo Fundo26
- Business law firms in Itu25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names business law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many business law firms are there based in Rio De Janeiro, Brazil?
RevenueBase identified 1,119 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?
BMA Advogados, headquartered in Rio De Janeiro, tops this list with the largest team on record.
Which city has the most business law firms?
Sao Paulo leads with 3750 headquartered companies, followed by Rio De Janeiro (1119) and Curitiba (781).
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 4,342 verified decision-maker contacts tracked across these 1,119 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 20, 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 Smart Search, 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.