Company lists · Data refreshed September 2026

Top 25 English as second language providers worldwide

Name: English as second language providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 10,608 companies tracked

RevenueBase identified 10,608 english as second language providers worldwide as of September 2026 and tracks 131,887 professional contacts across them, including 6,621 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers english as second language providers worldwide, 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. Country and city lists for english as second language providers follow the table.

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

10,608Companies

131,887Contacts tracked

6,621Verified emails

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The 25 largest english as second language providers worldwide

Ranked by team size

Top 25 of 10,608 english as second language providers worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to english as second language providers: 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	Wizard By Pearson	Partial evidence	Sao Paulo, BrazilHQ checked Sep 19, 2026	5,001-10,000	5,268 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
2	Wall Street English	Strong evidence	Barcelona, SpainHQ checked Sep 19, 2026	1,001-5,000	4,171 contacts →
	Strong evidence “We are Wall Street English, the premier provider of English language instruction for individuals and corporate clients around the world.” Source: RevenueBase Database · checked Sep 19, 2026
3	Berlitz Corporation	Partial evidence	Princeton, NJ, United StatesHQ checked Sep 19, 2026	5,001-10,000	3,273 contacts →
	Partial evidence “Berlitz Corporation is a world-leading language and cultural training provider with over 140 years of experience.” Source: RevenueBase Database · checked Sep 19, 2026
4	Cultura Inglesa	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 19, 2026	501-1,000	2,567 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
5	Acadsoc LTD	Indirect evidence	Muntinlupa, PhilippinesHQ checked Sep 19, 2026	1,001-5,000	2,180 contacts →
	Indirect evidence “Academic Society Online, or Acadsoc, is an international one-stop shop for ESL learning and education consultancy online.” Source: RevenueBase Database · checked Sep 19, 2026
6	Influx English School	Partial evidence	Curitiba, BrazilHQ checked Sep 19, 2026	n/a	1,106 contacts →
	Partial evidence “A inFlux English School é uma rede de escolas de idiomas que trabalha desde 2004 unindo inovação e compromisso com o aprendizado.” Source: RevenueBase Database · checked Sep 19, 2026
7	Bibo Global Opportunity	Strong evidence	Makati, PhilippinesHQ checked Sep 19, 2026	201-500	1,057 contacts →
	Strong evidence “VISION STATEMENT Engoo, formerly known as Bibo Global Opportunity, Inc, is the biggest and fastest-growing online English school in the Philippines and Japan, producing effective…” Source: RevenueBase Database · checked Sep 19, 2026
8	Uptime Comunicação EM Inglês	Partial evidence	Belo Horizonte, BrazilHQ checked Sep 19, 2026	1,001-5,000	681 contacts →
	Partial evidence “UPTIME - Communication in English revolutionized the Brazilian market through its innovative methodology and its unique differentials.” Source: RevenueBase Database · checked Sep 19, 2026
9	Chungdahm Learning	Indirect evidence	Seoul, South KoreaHQ checked Sep 19, 2026	201-500	614 contacts →
	Indirect evidence “CHUNGDAHM Learning is a market leader in the Korean ESL industry.” Source: RevenueBase Database · checked Sep 19, 2026
10	Learnship	Indirect evidence	Cologne, GermanyHQ checked Sep 19, 2026	201-500	609 contacts →
	Indirect evidence “goFLUENT acquired the assets of Learnship Networks GmbH on December 1st, 2025.” Source: RevenueBase Database · checked Sep 19, 2026
11	Times Idiomas	Indirect evidence	Campinas, BrazilHQ checked Sep 19, 2026	51-200	555 contacts →
	Indirect evidence “A TIMES IDIOMAS desenvolveu um sistema de franchising estruturada por uma rede de escolas de ensino do idioma inglês para adultos, com unidades nos estados de São Paulo, Goiás e…” Source: RevenueBase Database · checked Sep 19, 2026
12	Twenix	Indirect evidence	Madrid, SpainHQ checked Sep 19, 2026	51-200	553 contacts →
	Indirect evidence “La vida no es listen and repeat’.” Source: RevenueBase Database · checked Sep 19, 2026
13	English Connection	Indirect evidence	Madrid, SpainHQ checked Sep 19, 2026	201-500	520 contacts →
	Indirect evidence “Queremos contarte quiénes somos y cómo comenzó todo.” Source: RevenueBase Database · checked Sep 19, 2026
14	4level1	Strong evidence	Ad-duqqi, EgyptHQ checked Sep 19, 2026	501-1,000	460 contacts →
	Strong evidence “4Level1 offers comprehensive English Language Programs that are tailored to both adults and young adults.” Source: RevenueBase Database · checked Sep 19, 2026
15	Quick Learning	Indirect evidence	Ciudad De Mexico, MexicoHQ checked Sep 19, 2026	1,001-5,000	453 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
16	Just English DIL Okulları	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 19, 2026	10001+	410 contacts →
	Indirect evidence “İlk şubesini 2005 yılında Kadıköy Halitağa'da açmıştır.” Source: RevenueBase Database · checked Sep 19, 2026
17	Vaughan Systems	Strong evidence	Madrid, SpainHQ checked Sep 19, 2026	201-500	407 contacts →
	Strong evidence “Vaughan Systems is a leading provider of English language training in Spain.” Source: RevenueBase Database · checked Sep 19, 2026
18	Aeon Corporation	Partial evidence	Shinjuku-ku, United StatesHQ checked Sep 19, 2026	1,001-5,000	387 contacts →
	Partial evidence “For more than five decades, the AEON Corporation of Japan has been an innovator in the field of English education, offering exceptional classroom and internet opportunities to…” Source: RevenueBase Database · checked Sep 19, 2026
19	Hess International Educational Organization	Partial evidence	Taipei, TaiwanHQ checked Sep 19, 2026	1,001-5,000	361 contacts →
	Partial evidence “Founded in 1983, HESS is the largest private language school in Taiwan.” Source: RevenueBase Database · checked Sep 19, 2026
20	MY English School Italia	Partial evidence	Firenze, ItalyHQ checked Sep 19, 2026	201-500	356 contacts →
	Partial evidence “My English School è una realtà innovativa orientata all'apprendimento della lingua inglese che pone al centro della didattica le esigenze e i bisogni reali degli interessati.” Source: RevenueBase Database · checked Sep 19, 2026
21	Wall Street English China	Partial evidence	Shanghai, ChinaHQ checked Sep 19, 2026	1,001-5,000	338 contacts →
	Partial evidence “Wall Street English is the premier provider of English instruction for individuals and corporate clients around the world.” Source: RevenueBase Database · checked Sep 19, 2026
22	IBEU	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 19, 2026	201-500	321 contacts →
	Indirect evidence “O IBEU é mais do que um curso de inglês!” Source: RevenueBase Database · checked Sep 19, 2026
23	I CAN Read Indonesia	Strong evidence	Jakarta Utara, IndonesiaHQ checked Sep 19, 2026	201-500	321 contacts →
	Strong evidence “English Language and Literacy courses for students aged 2.5 to 18 years old.” Source: RevenueBase Database · checked Sep 19, 2026
24	Diplomatic Language Services	Partial evidence	Arlington, VA, United StatesHQ checked Sep 19, 2026	201-500	276 contacts →
	Partial evidence “Established in 1985, Diplomatic Language Services provides exceptional language training, translation, interpretation, and linguist testing to federal and state government…” Source: RevenueBase Database · checked Sep 19, 2026
25	Berlitz Japan	Partial evidence	新宿区, JapanHQ checked Sep 19, 2026	1,001-5,000	273 contacts →
	Partial evidence “Berlitz is the world's premier provider of language training and intercultural services, with a footprint in more than 70 countries.” 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: english as second language providers. 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 english as second language providers.
Partial evidence: Its own public description names part of english as second language providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name english as second language providers. 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 10,608 english as second language providers worldwide

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English as second language providers worldwide at a glance

As of Sep 19, 2026

5.0%Verified-email coverage

12.4Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

6,377

11-50

3,034

51-200

774

201-500

212

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 english as second language providers, 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.
Coverage: Every country. Country and city lists for english as second language providers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “english as second language providers”. 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 english as second language providers), 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 english as second language providers, and records with no verified work email.
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, 6,621 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.

English as second language providers by location

52 lists · largest first

Every English as second language providers 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 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 english as second language providers, 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 english as second language providers are there worldwide?

RevenueBase identified 10,608 english as second language providers worldwide 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?

Wizard By Pearson, headquartered in Sao Paulo, tops this list with the largest team on record.

Which country has the most english as second language providers?

Brazil leads with 1,265 companies, followed by Spain (928) and the United States (711). Every english as second language providers list by country and city is linked on this page.

Which city has the most english as second language providers?

Sao Paulo leads with 292 headquartered companies, followed by London (167) and Madrid (145).

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 6,621 verified decision-maker contacts tracked across these 10,608 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.