Company lists · Data refreshed September 2026
Top 25 Ad law firms based in Rio De Janeiro, Brazil
RevenueBase identified 360 ad law firms headquartered in Rio De Janeiro, Brazil as of September 2026 and tracks 5,274 professional contacts across them, including 1,817 with verified work emails. Sao Paulo is the largest hub.
This list covers ad 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 21, 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 ad 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 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 258 contacts → | ||||
Indirect evidence “Innovators by nature, we seek to apply creativity and multidisciplinary approach to various projects.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 214 contacts → | ||||
Indirect evidence “Fundado em 1959, Ulhôa Canto Advogados é referência em advocacia empresarial.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 170 contacts → | ||||
Indirect evidence “Reinventando o Direito.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 104 contacts → | ||||
Indirect evidence “Bocater Advogados foi fundado em com foco em direito societário e mercado de capitais.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 83 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 69 contacts → | ||||
Partial evidence “Murta Goyanes is an Intellectual Property Law boutique firm that relies on partners with over 25 years of experience and a team with recognized credibility, capable of handling…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 59 contacts → | ||||
Indirect evidence “Our firm, Luiz Leonardos & Advogados, with 15 partners - including attorneys and patent attorneys in different fields, such as electrical and chemical engineer and biology - and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 55 contacts → | ||||
Indirect evidence “A Arrighi Advogados, constituída há mais de 10 anos, destaca-se no mercado jurídico por sua eficiência, qualidade profissional e pelo atendimento personalizado.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 50 contacts → | ||||
Indirect evidence “O Bhering Cabral Advogados Associados foi fundado em 2003 com uma filosofia de trabalho bem definida que coloca o cliente no foco.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 37 contacts → | ||||
Indirect evidence “check our website” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 35 contacts → | ||||
Partial evidence “Araripe & Associados is a law firm, specialized in the field of Intellectual Property, with a long-established reputation for performing excellent legal work and successful…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 34 contacts → | ||||
Indirect evidence “O Escritório Solon Tepedino Advogados foi fundado com o objetivo central de prestar serviços de consultoria jurídica e contencioso para pessoas físicas e jurídicas.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 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 21, 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: ad 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 ad law firms.
- Partial evidence
- Its own public description names part of ad law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name ad 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 360 ad law firms based in Rio De Janeiro, Brazil
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Ad law firms based in Rio De Janeiro, Brazil at a glance
As of Sep 21, 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 360 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 ad 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 “ad 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 ad 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 ad 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, 1,817 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 21, 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.
Ad law firms by metro in Brazil
- Ad law firms in Sao Paulo1139
- Ad law firms in Rio De Janeiro360
- Ad law firms in Curitiba249
- Ad law firms in Belo Horizonte237
- Ad law firms in Porto Alegre198
- Ad law firms in Brasilia111
- Ad law firms in Campinas108
- Ad law firms in Salvador98
- Ad law firms in Recife85
- Ad law firms in Florianopolis75
- Ad law firms in Fortaleza72
- Ad law firms in Goiania67
- Ad law firms in Ribeirao Preto56
- Ad law firms in Londrina49
- Ad law firms in Vitoria48
- Ad law firms in Sorocaba43
- Ad law firms in Joinville42
- Ad law firms in Barueri32
- Ad law firms in Sao Bernardo Do Campo32
- Ad law firms in Jundiai31
- Ad law firms in Sao Jose Do Rio Preto31
- Ad law firms in Caxias Do Sul30
- Ad law firms in Sao Jose Dos Campos30
- Ad law firms in Guarulhos29
- Ad law firms in Manaus29
- Ad law firms in Uberlandia29
- Ad law firms in Santo Andre28
- Ad law firms in Santos28
- Ad law firms in Belem27
- Ad law firms in Maringa27
- Ad law firms in Natal27
- Ad law firms in Blumenau25
- Ad law firms in Joao Pessoa25
- Ad law firms in Piracicaba25
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 ad 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 ad law firms are there based in Rio De Janeiro, Brazil?
RevenueBase identified 360 ad 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 ad law firms?
Sao Paulo leads with 1139 headquartered companies, followed by Rio De Janeiro (360) and Curitiba (249).
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 1,817 verified decision-maker contacts tracked across these 360 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 21, 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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