Company lists · Data refreshed September 2026

Top 25 Customer service language training firms based in Brazil

Name: Customer service language training firms based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 603 companies tracked

RevenueBase identified 603 customer service language training firms headquartered in Brazil as of September 2026 and tracks 3,549 professional contacts across them, including 225 with verified work emails. Sao Paulo is the largest hub.

This list covers customer service language training 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 19, 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 19, 2026 86% judged on-target in blind review

603Companies

3,549Contacts tracked

225Verified emails

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The 25 largest customer service language training firms based in Brazil

Ranked by team size

Top 25 of 603 customer service language training firms based in Brazil, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to customer service language training 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Essential Idiomas	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 19, 2026	51-200	56 contacts →
	Indirect evidence “A Essential Idiomas, desde 1988, é uma empresa que desenvolve cursos de idiomas para atender as necessidades e condições de clientes que desejam habilitar-se em uma segunda…” Source: RevenueBase Database · checked Sep 19, 2026
2	Brava Training	Partial evidence	Rio De Janeiro, BrazilHQ checked Sep 19, 2026	11-50	46 contacts →
	Partial evidence “A Brava Training é uma empresa líder em treinamento e consultoria de idiomas.” Source: RevenueBase Database · checked Sep 19, 2026
3	Michigan Idiomas	Partial evidence	Valinhos, BrazilHQ checked Sep 19, 2026	51-200	44 contacts →
	Partial evidence “International Language Center.” Source: RevenueBase Database · checked Sep 19, 2026
4	Falacompany	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 19, 2026	11-50	44 contacts →
	Indirect evidence “Com mais de 30 anos de experiência, a FalaCompany é a empresa líder em idiomas e treinamentos corporativos no Brasil, reconhecida como a mais bem avaliada.” Source: RevenueBase Database · checked Sep 19, 2026
5	Rizvi Schools	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 19, 2026	51-200	41 contacts →
	Indirect evidence “Treinamentos presenciais, online ou híbridos em inglês, italiano, espanhol, francês, alemão ou português para estrangeiros.” Source: RevenueBase Database · checked Sep 19, 2026
6	Fala Education	Indirect evidence	Sorocaba, BrazilHQ checked Sep 19, 2026	11-50	38 contacts →
	Indirect evidence “Solução em idiomas para sua empresa com Dashboard completo, acompanhamento de nível e aulas personalizadas individual ou em grupo.” Source: RevenueBase Database · checked Sep 19, 2026
7	The Camp Language Training	Strong evidence	Curitiba, BrazilHQ checked Sep 19, 2026	11-50	30 contacts →
	Strong evidence “O nome The Camp Language Training surgiu da ideia de oferecer aos nossos clientes tudo o que eles precisam em lugar só.” Source: RevenueBase Database · checked Sep 19, 2026
8	ALT Idiomas	Indirect evidence	São Bernardo Do Campo, BrazilHQ checked Sep 19, 2026	11-50	30 contacts →
	Indirect evidence “ALT Idiomas Uma escola de idiomas moderna, jovem e dinâmica, com foco principal em fazer o aluno aprender a falar fluentemente e se comunicar perfeitamente, sem precisar traduzir.” Source: RevenueBase Database · checked Sep 19, 2026
9	Richards Corporate English & Consulting	Indirect evidence	São Paulo, BrazilHQ checked Sep 19, 2026	11-50	29 contacts →
	Indirect evidence “NÃO SOMOS UMA ESCOLA DE INGLÊS Somos um grupo de especialistas focados no DESENVOLVIMENTO DE PESSOAS no meio corporativo há mais de 15 anos, onde RESULTADO EM COMUNICAÇÃO em…” Source: RevenueBase Database · checked Sep 19, 2026
10	Lquest	Indirect evidence	São Paulo, BrazilHQ checked Sep 19, 2026	11-50	28 contacts →
	Indirect evidence “Where preparation meets global opportunity.” Source: RevenueBase Database · checked Sep 19, 2026
11	Versátil Empresa DE Idiomas	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 19, 2026	11-50	26 contacts →
	Indirect evidence “Versátil Idiomas é a parceira ideal para levar sua equipe a um novo patamar, oferecendo soluções completas de aprendizado de idiomas focadas em parcerias B2B.” Source: RevenueBase Database · checked Sep 19, 2026
12	English Pass	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 19, 2026	11-50	23 contacts →
	Indirect evidence “Investir em inglês para colaboradores não é apenas um benefício, se transformou em uma ferramenta de inovação corporativa.” Source: RevenueBase Database · checked Sep 19, 2026
13	Black'n'white Language Solutions	Partial evidence	Itajaí, BrazilHQ checked Sep 19, 2026	11-50	22 contacts →
	Partial evidence “Language Solutions: • Treinamentos de Inglês Corporativo Especializado • Aulas de Inglês On-line para o mundo todo • Nivelamentos e Avaliações Empresariais • Traduções e Revisões…” Source: RevenueBase Database · checked Sep 19, 2026
14	Manhattan Village Idiomas	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 19, 2026	51-200	18 contacts →
	Indirect evidence “Manhattan Village é uma imersão para tornar sua equipe de trabalho vozes ativas em inglês e espanhol.” Source: RevenueBase Database · checked Sep 19, 2026
15	Languagepro	Partial evidence	São Paulo, BrazilHQ checked Sep 19, 2026	51-200	16 contacts →
	Partial evidence “A languagePRO desenvolve programas personalizados de idiomas, ajustados às necessidades do aluno e de sua empresa.” Source: RevenueBase Database · checked Sep 19, 2026
16	ASG Educação	Indirect evidence	Porto Alegre, BrazilHQ checked Sep 19, 2026	11-50	15 contacts →
	Indirect evidence “Preparamos pessoas para liderar o mundo.” Source: RevenueBase Database · checked Sep 19, 2026
17	I-Study Interactive Learning	Indirect evidence	Cotia, BrazilHQ checked Sep 19, 2026	1-10	15 contacts →
	Indirect evidence “Fundada em 2007 por Karin Heuert Galvão, a i-Study iniciou as operações com foco dirigido ao ambiente corporativo estabelecendo parcerias com grandes empresas e consolidando a…” Source: RevenueBase Database · checked Sep 19, 2026
18	Paradigm Language Support	Indirect evidence	Sâo Paulo, BrazilHQ checked Sep 19, 2026	11-50	15 contacts →
	Indirect evidence “Paradigm is prepared to provide targeted solutions to address specific needs of our clients.” Source: RevenueBase Database · checked Sep 19, 2026
19	Youable Online	Indirect evidence	Campinas, BrazilHQ checked Sep 19, 2026	11-50	13 contacts →
	Indirect evidence “Preparamos líderes para se comunicarem com confiança em inglês no ambiente corporativo, por meio de uma jornada com personalização estratégica, prática orientada em contexto real…” Source: RevenueBase Database · checked Sep 19, 2026
20	Idiomátika	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “Escola de Inglês especializada em treinamentos corporativos, inglês para negócios, aulas individuais ou grupos.” Source: RevenueBase Database · checked Sep 19, 2026
21	PRO English Idiomas	Indirect evidence	Campinas, BrazilHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “O Pro English Idiomas® atua na área de ensino de línguas estrangeiras há mais de 20 anos.” Source: RevenueBase Database · checked Sep 19, 2026
22	Viamundi Idiomas E Traduções	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “A Viamundi foi fundada em para atender um mercado exigente e diferenciado na área do ensino de idiomas e traduções.” Source: RevenueBase Database · checked Sep 19, 2026
23	On UP Idiomas	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “ON UP é um Centro de Treinamento especializado no ensino de Línguas Estrangeiras.” Source: RevenueBase Database · checked Sep 19, 2026
24	Ebony English	Indirect evidence	São Paulo, BrazilHQ checked Sep 19, 2026	11-50	11 contacts →
	Indirect evidence “Ebony Corporate atende empresas interessadas em transitar pelo ambiente de cultura e diversidade.” Source: RevenueBase Database · checked Sep 19, 2026
25	Link Languages	Indirect evidence	Macaé, BrazilHQ checked Sep 19, 2026	11-50	11 contacts →
	Indirect evidence “Com programas personalizados, ajudamos profissionais a se destacarem no mercado de trabalho, conquistarem promoções, participarem de processos seletivos, atuarem em ambientes…” Source: RevenueBase Database · checked Sep 19, 2026

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: customer service language training 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 customer service language training firms.
Partial evidence: Its own public description names part of customer service language training firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name customer service language training 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 603 customer service language training firms based in Brazil

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Customer service language training firms based in Brazil at a glance

As of Sep 19, 2026

6.3%Verified-email coverage

5.9Average contacts per company

1-10Median size (employees)

29.9%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

401

11-50

176

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 603 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 customer service language training 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 “customer service language training 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 customer service language training 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 customer service language training 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, 225 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 19, 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.

Customer service language training firms by metro

Customer service language training firms in Sao Paulo180
Customer service language training firms in Rio De Janeiro48
Customer service language training firms in Belo Horizonte25

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 customer service language training 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 customer service language training firms are there based in Brazil?

RevenueBase identified 603 customer service language training 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?

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

Which city has the most customer service language training firms?

Sao Paulo leads with 180 headquartered companies, followed by Rio De Janeiro (48) and Belo Horizonte (25).

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 225 verified decision-maker contacts tracked across these 603 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 19, 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.