Company lists · Data refreshed September 2026
Top 25 Securities law firms based in Rio De Janeiro, Brazil
RevenueBase identified 180 securities law firms headquartered in Rio De Janeiro, Brazil as of September 2026 and tracks 2,550 professional contacts across them, including 917 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (684 companies); Rio De Janeiro follows with 180.
This list covers securities 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 14, 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 securities law firms based in Rio De Janeiro, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 214 contacts → | ||||
Indirect evidence “Fundado em 1959, Ulhôa Canto Advogados é referência em advocacia empresarial.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 104 contacts → | ||||
Indirect evidence “Bocater Advogados foi fundado em com foco em direito societário e mercado de capitais.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 64 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 51 contacts → | ||||
Indirect evidence “Fundado em 2008, o escritório Vieira de Castro, Mansur & Faver Advogados (VCMF) atua nas principais áreas do Direito Empresarial Atualmente amparados por equipes…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 49 contacts → | ||||
Indirect evidence “Especializado em Direito Civil, Seguros, Comercial, Processual Civil e Arbitragem, o Tavares & Chacur de Miranda Advogados é composto por sócios de sólida formação acadêmica e…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 43 contacts → | ||||
Indirect evidence “Somos um escritório de advocacia contenciosa corporativa especializado em gestão jurídica, prevenção, redução de passivo e recuperação de créditos.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 32 contacts → | ||||
Indirect evidence “Com atuação nas principais áreas do Direito Corporativo, tanto na esfera preventiva quanto consultiva e contenciosa, o escritório alia a vida acadêmica com a experiência prática…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 27 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 24 contacts → | ||||
Indirect evidence “Schmitt Advogados é um escritório de advocacia, fundado no ano que tem como objetivo prestar serviços jurídicos de alto nível a clientes nacionais e estrangeiros.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 21 contacts → | ||||
Indirect evidence “Gomes de Mattos Advogados Associados é um escritório de advocacia empresarial com atuação nacional, com destacada atividade junto aos Tribunais Superiores.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 20 contacts → | ||||
Partial evidence “We offer a customized and high quality service in the main practice areas of corporate law, focusing on mergers and acquisitions, investments, financing, companies’ and debt…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 19 contacts → | ||||
Indirect evidence “Ouro Preto Paranhos Advogados was founded through the merger of Ouro Preto Advogados, established in 2011, and Esper Paranhos Gushiken (EPG) Advogados, founded in 2019.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 contacts → | ||||
Indirect evidence “Um escritório Corporate Legal Counsel Moderno e de relacionamento próximo ao seu cliente.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 18 contacts → | ||||
Indirect evidence “Com escritórios nas cidades do Rio de Janeiro e São Paulo, Eizirik Advogados atende clientes do Brasil e do exterior, sendo especializado na elaboração de pareceres jurídicos em…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Indirect evidence “Somos um escritório especializado que atua em casos corporativos relevantes e complexos em todo o país.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Indirect evidence “Bracks Advogados Associados, located in Rio de Janeiro, provides services throughout the national territory.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Indirect evidence “Oferecemos serviços especializados e personalizados em diversos ramos do direito, sempre visando à relação custo/benefício que atenda da melhor forma possível o interesse dos…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 14 contacts → | ||||
Indirect evidence “Fundado em 2013, o GCC Advogados nasceu com a missão de romper padrões negativos da advocacia tradicional, oferecendo serviços jurídicos que aliam inovação, confiança e excelência.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 13 contacts → | ||||
Strong evidence “Barbosa Sociedade de Advogados is a law firm specialized in corporate and securities law, and capital markets' matters.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 12 contacts → | ||||
Indirect evidence “O Almeida & Leal Advogados Associados é um escritório de advocacia focado em empresas, oferecendo soluções customizadas e criativas na assessoria jurídica, contenciosa e…” Source: RevenueBase Database · checked Sep 14, 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: securities 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 securities law firms.
- Partial evidence
- Its own public description names part of securities law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name securities 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 180 securities law firms based in Rio De Janeiro, Brazil
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Securities law firms based in Rio De Janeiro, Brazil at a glance
As of Sep 14, 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 180 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 securities 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 “securities 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 securities 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 securities 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, 917 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 14, 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.
Securities law firms by metro in Brazil
- Securities law firms in Sao Paulo684
- Securities law firms in Curitiba144
- Securities law firms in Belo Horizonte139
- Securities law firms in Porto Alegre108
- Securities law firms in Campinas63
- Securities law firms in Fortaleza50
- Securities law firms in Recife50
- Securities law firms in Brasilia49
- Securities law firms in Salvador45
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 securities 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 securities law firms are there based in Rio De Janeiro, Brazil?
RevenueBase identified 180 securities 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 in Brazil has the most securities law firms?
Sao Paulo leads Brazil with 684 headquartered companies, followed by Rio De Janeiro (180) and Curitiba (144).
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 917 verified decision-maker contacts tracked across these 180 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 14, 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.