Company lists · Data refreshed November 2026

Top 25 Esl language schools worldwide

RevenueBase identified 12,062 company matches for esl language schools worldwide as of November 2026 and tracks 156,156 professional contacts across them, including 9,198 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for esl language schools worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for esl language schools follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
12,062Companies
156,156Contacts tracked
9,198Verified emails
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The 25 largest esl language schools worldwide

Ranked by team size
Top 25 of 12,062 company matches for esl language schools worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20265,001-10,0005,795 contacts →

Exact match

“In 1987, the largest language school franchise in the world was born in Campinas (SP).From a single school, began the construction of a great system that has already crossed the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBarcelona, SpainHQ recorded Nov 6, 20261,001-5,0004,553 contacts →

Exact match

“We are Wall Street English, the premier provider of English language instruction for individuals and corporate clients around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026501-1,0002,870 contacts →

Exact match

“A Cultura Inglesa é uma empresa inovadora e que sonha em projetar o Brasil no cenário global através da educação, formando cada vez mais cidadãos confiantes e fluentes no inglês.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMuntinlupa, PhilippinesHQ recorded Nov 6, 20261,001-5,0002,603 contacts →

Exact match

“Academic Society Online, or Acadsoc, is an international one-stop shop for ESL learning and education consultancy online.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 20265,001-10,0002,602 contacts →

Exact match

“Berlitz Corporation is a world-leading language and cultural training provider with over 140 years of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSeoul, South KoreaHQ recorded Nov 6, 202610001+1,748 contacts →

Exact match

“With engaging 1-on-1 language lessons and materials based on our students' needs and interests, Engoo brings people together and helps them understand one another through the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBogotá, ColombiaHQ recorded Nov 6, 20261,001-5,0001,642 contacts →

Exact match

“We are the only ally in Latin America of Cambridge University Press and we comply with the highest quality standards such as quality standards: ISSO 9001 - NTC - 5580 to provide…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchTehran, IranHQ recorded Nov 6, 20261,001-5,0001,496 contacts →

Exact match

“SAFIR Language Academy was founded in Ever since its foundation, it has been earnestly striving to vie with other competitors in the field to revolutionize the language learning…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDf, MexicoHQ recorded Nov 6, 20261,001-5,0001,369 contacts →

Exact match

“Somos el instituto que le enseñó a México a hablar inglés.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCuritiba, BrazilHQ recorded Nov 6, 2026n/a1,205 contacts →

Exact match

“A inFlux English School é uma rede de escolas de idiomas que trabalha desde 2004 unindo inovação e compromisso com o aprendizado.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWarsaw, PolandHQ recorded Nov 6, 2026n/a897 contacts →

Exact match

“Tutlo to najszybciej rozwijająca się platforma do nauki języka angielskiego w Polsce.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBogota, ColombiaHQ recorded Nov 6, 20261,001-5,000837 contacts →

Exact match

“Somos American School Way, el instituto de inglés más grande de Colombia, certificado por la Secretaría de Educación.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United StatesHQ recorded Nov 6, 2026501-1,000823 contacts →

Exact match

“Kaplan International Languages is a leading provider of international education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSeoul, South KoreaHQ recorded Nov 6, 2026201-500703 contacts →

Exact match

“CHUNGDAHM Learning is a market leader in the Korean ESL industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGuadalajara, MexicoHQ recorded Nov 6, 202610001+629 contacts →

Exact match

“Somos un centro de idiomas que se caracteriza por contar con el mejor curso de inglés en México.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCologne, GermanyHQ recorded Nov 6, 2026201-500624 contacts →

Exact match

“goFLUENT acquired the assets of Learnship Networks GmbH on December 1st, 2025.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchToronto, BC, CanadaHQ recorded Nov 6, 20261,001-5,000579 contacts →

Exact match

“The International Language Academy of Canada (ILAC) is one of the best-known English language schools in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261,001-5,000578 contacts →

Exact match

“BRASAS English Course | Ensino de inglês com método exclusivo e resultados comprovados Desde 1966, o BRASAS oferece um método único de ensino de inglês focado em quem tem o…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202651-200561 contacts →

Exact match

“The English Language Center has been dedicated to providing English programs of the highest quality to international students since 1978.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMadrid, SpainHQ recorded Nov 6, 2026201-500554 contacts →

Exact match

“Queremos contarte quiénes somos y cómo comenzó todo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-200531 contacts →

Exact match

“A United Idiomas transforma o aprendizado de inglês em uma experiência prática, flexível e conectada à vida real.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 20261,001-5,000507 contacts →

Exact match

“For more than 60 years, students have chosen ELS to achieve their English language goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMexico City, MexicoHQ recorded Nov 6, 20261,001-5,000495 contacts →

Exact match

“En Quick Learning primero te enseñamos a pensar y hablar en inglés; sin ver nada escrito y sin reglas gramaticales; y cuando ya lo hablas, entonces te enseñamos a leer y a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchJakarta Barat, IndonesiaHQ recorded Nov 6, 202651-200478 contacts →

Exact match

“Cakap is an Indonesian education group that develops a learning platform for professional skill development with more than 6 million users spread throughout the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBalneário Camboriu, BrazilHQ recorded Nov 6, 2026n/a470 contacts →

Exact match

“Ser fluente em inglês é poder se expressar exatamente do jeito que você quer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 12,062 esl language schools worldwide

See the full list, filter by size, metro and specialty, and access 9,198 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Esl language schools worldwide at a glance

As of Nov 6, 2026
5.9%Verified-email coverage
12.9Average contacts per company
1-10Median size (employees)
2.9%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
7,053
11-50
3,594
51-200
854
201-500
229
501-1,000
71
1,001-5,000
65
5,001-10,000
19
10001+
27

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for esl language schools are linked below.
What qualifies
Company records worldwide whose business descriptions match “esl language schools” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 9,198 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Esl language schools by location

40 lists · largest first

Every Esl language schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “esl language schools”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many esl language schools are there worldwide?

RevenueBase identified 12,062 company matches for esl language schools worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Wizard By Pearson tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most esl language schools?

Brazil leads with 1,796 companies, followed by Spain (1,100) and the United States (743). Every esl language schools list by country and city is linked on this page.

Which city has the most esl language schools?

Sao Paulo leads with 353 company records, followed by London (185) and Madrid (154).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,198 professional contacts with verified work emails tracked across these 12,062 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 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 SmartSearch, 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.