Company lists · Data refreshed September 2026
Top 25 Full-service law firms based in Rio De Janeiro, Brazil
RevenueBase identified 1,250 full-service law firms headquartered in Rio De Janeiro, Brazil as of September 2026 and tracks 17,123 professional contacts across them, including 5,605 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (4,158 companies); Rio De Janeiro follows with 1,250.
This list covers full-service 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 30, 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 full-service law firms based in Rio De Janeiro, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 840 contacts → | ||||
Partial evidence “Founded in 1995, BMA – Barbosa Müssnich Aragão is now one of the foremost law firms in Latin America.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 799 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 775 contacts → | ||||
Indirect evidence “Dannemann Siemsen is a Brazilian firm dedicated to Intellectual Property since 1900.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 772 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 389 contacts → | ||||
Indirect evidence “Na plaquinha do escritório, nós somos Gondim Albuquerque Negreiros Advogados.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 335 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 272 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 264 contacts → | ||||
Partial evidence “DANIEL is an innovation and technology law firm based in Brazil, working across Latin America with a global perspective.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 258 contacts → | ||||
Indirect evidence “Innovators by nature, we seek to apply creativity and multidisciplinary approach to various projects.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 214 contacts → | ||||
Indirect evidence “Fundado em 1959, Ulhôa Canto Advogados é referência em advocacia empresarial.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 180 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 177 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 170 contacts → | ||||
Indirect evidence “Reinventando o Direito.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 149 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 145 contacts → | ||||
Partial evidence “Leading Brazilian Intellectual Property (IP) law firm, specialized in complex IP Litigation, IP Prosecution and Enforcement.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 138 contacts → | ||||
Indirect evidence “Com 94 anos de história, possuímos vasta experiência na prestação de assessoria jurídica a clientes nacionais e internacionais.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 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 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 111 contacts → | ||||
Partial 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 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 104 contacts → | ||||
Indirect evidence “Bocater Advogados foi fundado em com foco em direito societário e mercado de capitais.” Source: RevenueBase Database · checked Sep 30, 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: full-service 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 full-service law firms.
- Partial evidence
- Its own public description names part of full-service law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name full-service 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 1,250 full-service law firms based in Rio De Janeiro, Brazil
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Full-service law firms based in Rio De Janeiro, Brazil at a glance
As of Sep 30, 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 1,250 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 full-service 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 “full-service 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 full-service 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 full-service 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, 5,605 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 30, 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.
Full-service law firms by metro in Brazil
- Full-service law firms in Sao Paulo4158
- Full-service law firms in Curitiba832
- Full-service law firms in Belo Horizonte825
- Full-service law firms in Porto Alegre767
- Full-service law firms in Brasilia426
- Full-service law firms in Campinas392
- Full-service law firms in Salvador325
- Full-service law firms in Recife321
- Full-service law firms in Fortaleza267
- Full-service law firms in Londrina168
- Full-service law firms in Joinville134
- Full-service law firms in Sorocaba126
- Full-service law firms in Guarulhos115
- Full-service law firms in Santos115
- Full-service law firms in Barueri112
- Full-service law firms in Campo Grande105
- Full-service law firms in Natal102
- Full-service law firms in Blumenau95
- Full-service law firms in Caxias Do Sul91
- Full-service law firms in Manaus90
- Full-service law firms in Piracicaba72
- Full-service law firms in Bauru71
- Full-service law firms in Juiz De Fora67
- Full-service law firms in Vila Velha62
- Full-service law firms in Novo Hamburgo59
- Full-service law firms in Americana58
- Full-service law firms in Nova Lima55
- Full-service law firms in Aracaju41
- Full-service law firms in Santa Maria36
- Full-service law firms in Palmas29
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 full-service 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 full-service law firms are there based in Rio De Janeiro, Brazil?
RevenueBase identified 1,250 full-service 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 in Brazil has the most full-service law firms?
Sao Paulo leads Brazil with 4,158 headquartered companies, followed by Rio De Janeiro (1,250) and Curitiba (832).
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 5,605 verified decision-maker contacts tracked across these 1,250 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 30, 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.
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