Company lists · Data refreshed September 2026

Top 25 Telecommunications law firms based in Brazil

RevenueBase identified 1,676 telecommunications law firms headquartered in Brazil as of September 2026 and tracks 18,479 professional contacts across them, including 5,454 with verified work emails and 212 with mobile numbers. Sao Paulo is the largest hub.

This list covers telecommunications law firms headquartered in 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 6, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 6, 2026 86% judged on-target in blind review
1,676Companies
18,479Contacts tracked
5,454Verified emails
212Mobile numbers
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The 25 largest telecommunications law firms based in Brazil

Ranked by team size
Top 25 of 1,676 telecommunications law firms based in Brazil, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSão Paulo, BrazilHQ checked Sep 6, 2026501-1,000720 contacts →

“We are an independent law firm that offers specialized advice and superior technical quality in a variety of legal areas.”

Source: company website · checked Sep 6, 2026
2Indirect evidenceSao Paulo, BrazilHQ checked Sep 6, 2026201-500634 contacts →

“vezzilapolla.legal foi fundado em 2016, e conta atualmente com cerca de 600 profissionais.”

Source: company website · checked Sep 6, 2026
3Partial evidenceFortaleza, BrazilHQ checked Sep 6, 2026501-1,000555 contacts →

“Rocha, Marinho E Sales (RMS) is a highly qualified corporate law firm with over 900 professionals located in 10 offices across the Brazilian territory, supported by a broad…”

Source: company website · checked Sep 6, 2026
4Indirect evidenceSao Paulo, BrazilHQ checked Sep 6, 2026201-500518 contacts →

“Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.”

Source: company website · checked Sep 6, 2026
5Indirect evidenceSão Paulo, BrazilHQ checked Sep 6, 2026201-500480 contacts →

“Somos um escritório focado no direito empresarial, destacando-se nas áreas Cível, Recuperação de Crédito, Trabalhista, Consumidor, Administrativo, Societário e Contratos…”

Source: company website · checked Sep 6, 2026
6Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 6, 2026201-500386 contacts →

“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 6, 2026
7Indirect evidenceSão Paulo, BrazilHQ checked Sep 6, 2026201-500341 contacts →

“Our firm is composed of highly specialized lawyers who combine a rich diversity of backgrounds with a common set of principles and values.”

Source: company website · checked Sep 6, 2026
8Indirect evidenceSão Paulo, BrazilHQ checked Sep 6, 2026201-500336 contacts →

“Escritório de advocacia.”

Source: company website · checked Sep 6, 2026
9Indirect evidenceSão Paulo, BrazilHQ checked Sep 6, 2026201-500310 contacts →

“Com mais de 22 anos de história, o Valença & Associados se consolidou como uma referência nacional em direito empresarial, com atuação full service em mais de 30 áreas do Direito.”

Source: company website · checked Sep 6, 2026
10Partial evidenceRio De Janeiro, BrazilHQ checked Sep 6, 2026201-500264 contacts →

“DANIEL is an innovation and technology law firm based in Brazil, working across Latin America with a global perspective.”

Source: company website · checked Sep 6, 2026
11Indirect evidenceSao Paulo, BrazilHQ checked Sep 6, 2026201-500230 contacts →

“Com mais de 40 anos de história, a Perez de Rezende Advogados se posiciona como uma empresa dinâmica, eficiente e que preza pela qualidade em seus serviços, tendo conquistado o…”

Source: company website · checked Sep 6, 2026
12Indirect evidenceSão Paulo, BrazilHQ checked Sep 6, 2026201-500220 contacts →

“Lacaz Martins, Pereira Neto, Gurevich & Schoueri é um escritório de advocacia empresarial sediado em São Paulo, SP, com atuação em todos os ramos do direito.”

Source: company website · checked Sep 6, 2026
13Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 6, 2026201-500214 contacts →

“Fundado em 1959, Ulhôa Canto Advogados é referência em advocacia empresarial.”

Source: company website · checked Sep 6, 2026
14Indirect evidenceSão Paulo, BrazilHQ checked Sep 6, 2026501-1,000203 contacts →

“Fundado em dezembro de 1997, o Mandaliti Advogados é um escritório altamente especializado, com atuação segmentada por áreas de negócio, o que proporciona aos seus advogados um…”

Source: company website · checked Sep 6, 2026
15Partial evidenceSao Paulo, BrazilHQ checked Sep 6, 2026201-500196 contacts →

“Founded in 1993, Velloza & Girotto Advogados Associados is a Brazilian law firm that blends modernity and tradition.”

Source: company website · checked Sep 6, 2026
16Indirect evidenceCuritiba, BrazilHQ checked Sep 6, 202651-200174 contacts →

“O Wambier, Yamasaki, Bevervanço & Lobo Advogados é reconhecido pela alta especialização de seus profissionais.”

Source: company website · checked Sep 6, 2026
17Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 6, 202651-200170 contacts →

“Reinventando o Direito.”

Source: company website · checked Sep 6, 2026
18Indirect evidenceBelo Horizonte, BrazilHQ checked Sep 6, 202651-200156 contacts →

“Uma mesma visão, Resultados surpreendentes.”

Source: company website · checked Sep 6, 2026
19Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 6, 202651-200149 contacts →

“Referência entre os escritórios brasileiros, o Maneira Advogados se destaca por sua atuação ampla e diversificada, contando com equipes altamente especializadas para oferecer…”

Source: company website · checked Sep 6, 2026
20Partial evidenceSao Paulo, BrazilHQ checked Sep 6, 202651-200146 contacts →

“Almeida Advogados was established in 2001 from a partnership of competent professionals committed to the practice of Law, with an initial focus on Mergers & Acquisitions and…”

Source: company website · checked Sep 6, 2026
21Indirect evidenceCuritiba, BrazilHQ checked Sep 6, 202651-200145 contacts →

“The Arruda Alvim, Aragão & Lins Office is able to advise and defend the interests of its clients, including in large causes, through judicial and administrative measures, as well…”

Source: company website · checked Sep 6, 2026
22Indirect evidenceSão Paulo, BrazilHQ checked Sep 6, 202611-50139 contacts →

“Silva Matos Advogados é um escritório de advocacia empresarial, com atuação abrangente, que se destaca pelo rigor técnico na condução das demandas e pela eficiente gestão das…”

Source: company website · checked Sep 6, 2026
23Indirect evidenceLondrina, BrazilHQ checked Sep 6, 202651-200126 contacts →

“We're a nationally known company compromised with helping providers and telecom companies on beeing seen, with business management and regulations in order to grow in a fast and…”

Source: company website · checked Sep 6, 2026
24Indirect evidenceSão Paulo, BrazilHQ checked Sep 6, 202651-200124 contacts →

“Arystóbulo Freitas Advogados é um escritório que reúne profissionais com ampla e longeva experiência no direito privado e público, com uma visão moderna do Direito, em sintonia…”

Source: company website · checked Sep 6, 2026
25Indirect evidenceBrasília, BrazilHQ checked Sep 6, 202651-200123 contacts →

“O Mudrovitsch Advogados está entre os principais escritórios de advocacia do Brasil, com expertise em áreas que vão desde o Direito Constitucional e Criminal, Direito…”

Source: company website · checked Sep 6, 2026

Showing 25 of 1,676 telecommunications law firms based in Brazil

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Telecommunications law firms based in Brazil at a glance

As of Sep 6, 2026
29.5%Verified-email coverage
1.1%Mobile-number coverage
11.0Average contacts per company
1-10Median size (employees)
23.1%Largest-city concentration · Sao Paulo
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
1,107
11-50
464
51-200
71
201-500
18
501-1,000
3
1,001-5,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 telecommunications 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 Brazil whose own description of what they do matches “telecommunications 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 telecommunications 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 telecommunications law firms, and records with no verified work email. Companies headquartered outside Brazil 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, 5,454 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 6, 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.

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 telecommunications 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 telecommunications law firms are there based in Brazil?

RevenueBase identified 1,676 telecommunications law firms headquartered in 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?

Lefosse, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most telecommunications law firms?

Sao Paulo leads with 387 headquartered companies, followed by Rio De Janeiro (131) and Curitiba (96).

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 5,454 verified decision-maker contacts tracked across these 1,676 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 6, 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.