Company lists · Data verified August 2026

Top 25 Class action law firms based in Brazil

Name: Class action law firms based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 249 companies tracked

There are 249 class action law firms headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 2,588 professional contacts across them, including 401 with verified work emails and 30 with mobile numbers. Sao Paulo is the largest hub.

This list covers class action law firms headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

249Companies

2,588Contacts tracked

401Verified emails

30Mobile numbers

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The 25 largest class action law firms based in Brazil

Ranked by team size

Top 25 of 249 class action law firms based in Brazil, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Mascarenhas Barbosa Advogados	Cuiaba	501-1,000	524	115
2	Perez DE Rezende Advogados	Joao Pessoa	201-500	227	9
3	Oliveira E Antunes	Blumenau	51-200	91	16
4	Furtado Advogados Associados	Porto Alegre	51-200	66	30
5	Ramos Advogados	Porto Alegre	11-50	56	23
6	Damasceno Rajão Advogados	Sao Paulo	51-200	43	9
7	Eliane Aburesi Sociedade Individual DE Advocacia	Sao Paulo	51-200	32	9
8	Montezuma E Conde Advogados Associados	Lago Sul	11-50	32	1
9	Luis Albert Advogado	Rio De Janeiro	11-50	31	3
10	Engel Advogados	Curitiba	11-50	28	13
11	Leonardo Amarante Advogados Associados	Rio De Janeiro	51-200	28	11
12	Wanderley Monteiro Rocha	Recife	11-50	24	15
13	Coelho Murgel Atherino Advogados	Rio De Janeiro	11-50	22	14
14	Miranda & Araujo	Sao Paulo	11-50	20	13
15	Andrade Antunes Henriques	Nova Lima	11-50	16	9
16	Tucci Advogados Associados	Sao Paulo	11-50	15	9
17	Agrifoglio Vianna	Sao Paulo	11-50	14	10
18	Loria E Kalansky Advogados	Sao Paulo	11-50	14	5
19	Márcio Rosa Advogados	Sorocaba	51-200	12	6
20	Piza Advogados Associados	Sao Paulo	11-50	10	4
21	Santos E Bueno Advogados	Sao Paulo	11-50	10	2
22	BWA Consultoria Jurídica	Rio De Janeiro	11-50	10	1
23	Petroni & Petroni Advogados Associados	Sao Paulo	11-50	9	3
24	Portes & Coelho Advogados Associados	Santo Amaro	11-50	8	4
25	Flávio Salles Advogados	Juiz De Fora	11-50	7	4

Showing 25 of 249 class action law firms based in Brazil

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Class action law firms based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 55 HQs

30Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

174

11-50

51-200

201-500

501-1,000

Class action law firms by metro

Metro	Companies
Class action law firms in Sao Paulo	55
Class action law firms in Rio De Janeiro	27
Class action law firms in Belo Horizonte	13
Class action law firms in Porto Alegre	7
Class action law firms in Salvador	6
Class action law firms in Curitiba	6
Class action law firms in Brasilia	5
Class action law firms in Goiania	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “class action law firms”, with match quality audited by blind human judging, and headquartered in Brazil.
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: Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many class action law firms are there based in Brazil?

There are 249 class action law firms headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Mascarenhas Barbosa Advogados, headquartered in Cuiaba, tops this list with the largest team on record.

Which city has the most class action law firms?

Sao Paulo leads with 55 headquartered companies, followed by Rio De Janeiro (27) and Belo Horizonte (13).

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 401 verified decision-maker contacts tracked across these 249 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.