Company lists · Data refreshed September 2026
Top 24 Esl schools based in Argentina
RevenueBase identified 382 esl schools headquartered in Argentina as of September 2026 and tracks 3,178 professional contacts across them, including 371 with verified work emails. Buenos Aires is the largest hub.
This list covers esl schools headquartered in Argentina, 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 20, 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.
The 24 largest esl schools based in Argentina
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 411 contacts → | ||||
Indirect evidence “El Centro Universitario de Idiomas - CUI - es una institución educativa con 30 años de experiencia en el desarrollo de programas de capacitación, formación y adquisición de…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 239 contacts → | ||||
Indirect evidence “Fundada en 1927, somos la primera cultura inglesa de Argentina, con casi 100 años de liderazgo en la enseñanza del idioma inglés en la Argentina.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 161 contacts → | ||||
Indirect evidence “El Liceo Cultural Británico (LCB), fundado en el año 1935, se dedica a la enseñanza del idioma inglés, siempre a la vanguardia en cuanto a metodología, desarrollo curricular y…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 118 contacts → | ||||
Indirect evidence “Colegio que ofrece educacion en los niveles de enseñanza inicial, primario, secundario e inglés.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 88 contacts → | ||||
Indirect evidence “El colegio San Patricio (St.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 56 contacts → | ||||
Indirect evidence “CEM English es una institución dedicada a la enseñanza de Inglés como Lengua Extranjera con más de 40 años de trayectoria.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 42 contacts → | ||||
Indirect evidence “Boston Language Consultants es una empresa especializada en capacitación lingüística corporativa en inglés, español y portugués, con más de 30 años de trayectoria en el mercado…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 40 contacts → | ||||
Partial evidence “Vamos Academy is a well-rounded language school with locations in Buenos Aires, Madrid, Toronto, Mendoza and more.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 19 contacts → | ||||
Indirect evidence “Somos Go idiomas®, un equipo de personas comprometidas con una verdadera y efectiva enseñanza en idiomas.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Indirect evidence “En Skilling Forward priorizamos la comunicación, la construcción de confianza y la relevancia en la vida real, asegurando que cada clase sea dinámica y adaptada a las necesidades…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 16 contacts → | ||||
Indirect evidence “No somos un instituto de inglés, somos un centro de capacitación de inglés.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 14 contacts → | ||||
Indirect evidence “Somos un Instituto con más de 45 años de trayectoria donde los alumnos aprenden el idioma en un ambiente familiar, sin exigencias estrictas y con naturalidad.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 8 contacts → | ||||
Indirect evidence “Descubrí lo que hace único a nuestro sistema.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 8 contacts → | ||||
Indirect evidence “Enseñanza de Ingles para Bebes ( All english for babies - ), Niños, Adolescentes, Adultos y Empresas.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 7 contacts → | ||||
Indirect evidence “MOVE ON es una institución cuyo objetivo es capacitar a todas aquellas personas con ganas de progresar en su vida profesional y concretar ambiciones personales.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence “Somos una empresa de Córdoba, Argentina, enfocada en la capacitación de idiomas a través de la creatividad, la motivación, la comunicación y el liderazgo.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “Cursos intensivos y entrenamientos conversacionales de inglés en Ciudad de Salta.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Clepsydra es Centro Examinador Oficial de Trinity College London.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “Nuestro trabajo en English Coach es enseñar inglés a las organizaciones, lo cual logramos a través de nuestro sistema innovador, accesible y de bajo costo, con nuestro equipo de…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “Robinson's Institute of Languages was founded in order to offer specialised tailor-made language courses for locals in Buenos Aires with native teachers who are certified and have…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “En BA Language tenemos más de 25 años en la Enseñanza de Idiomas (Inglés, Portugués, Español para Extranjeros, etc.).” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “Con 20 años de trayectoria, Harper Lee es el instituto líder en la enseñanza del idioma inglés en Lanús.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “Priorizamos la comunicación y trabajamos las cuatro competencias: comprensión oral y escrita, expresión oral y escrita en inglés, francés y español para extranjeros.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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: esl schools. 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 esl schools.
- Partial evidence
- Its own public description names part of esl schools, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name esl schools. 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 24 of 382 esl schools based in Argentina
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Esl schools based in Argentina at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Argentina, so it is reported there. Company counts and contact totals on this page are exact for Argentina, over 382 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 esl schools, 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 Argentina whose own description of what they do matches “esl schools”. 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 esl schools), 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 esl schools, and records with no verified work email. Companies headquartered outside Argentina 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, 371 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 20, 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.
Esl schools by metro
- Esl schools in Buenos Aires69
- Esl schools in Cordoba30
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 esl schools, 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 esl schools are there based in Argentina?
RevenueBase identified 382 esl schools headquartered in Argentina 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?
Centro Universitario DE Idiomas CUI, headquartered in Ciudad De Buenos Aires, tops this list with the largest team on record.
Which city has the most esl schools?
Buenos Aires leads with 69 headquartered companies, followed by Cordoba (30) and Ciudad Autonoma De Buenos Aires (24).
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 371 verified decision-maker contacts tracked across these 382 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 20, 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.