Company lists · Data refreshed September 2026
Top 25 Language schools based in Switzerland
RevenueBase identified 290 language schools headquartered in Switzerland as of September 2026 and tracks 5,705 professional contacts across them, including 447 with verified work emails. Zurich is the largest hub.
This list covers language schools headquartered in Switzerland, 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 15, 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 25 largest language schools based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 324 contacts → | ||||
Partial evidence “SIS Swiss International School is a group of private day schools offering bilingual education from kindergarten through to college.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 2 | 213 contacts → | ||||
Indirect evidence “Die Handelsschule KV Aarau bietet Grundbildung, Lehrgänge, Seminare und Kurse in der Berufsfachschule, Erwachsenenbildung sowie in der Führungsakademie HF in Aarau an.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 136 contacts → | ||||
Partial evidence “EF English First, is one of the largest providers of English language learning in the world, with students of all ages and teachers who are passionate about their jobs in the…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 4 | 115 contacts → | ||||
Partial evidence “Applied linguistics examines the role played by language and communication in real-life situations – be it in society at large, in working life, in the educational context or the…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 5 | 94 contacts → | ||||
Indirect evidence “Wir lassen Sie nicht warten: Die Durchführung unserer Lehrgänge ist bis zu 4-mal jährlich garantiert.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 6 | 92 contacts → | ||||
Strong evidence “Alpadia Language Schools is a Swiss company with an international vision, devoted to excellence in teaching languages to enrich students' futures.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 7 | 65 contacts → | ||||
Indirect evidence “Eduqua-zertifizierte Sprachschule.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 8 | 57 contacts → | ||||
Indirect evidence “FREI'S Schulen - Grundbildungen I Weiterbildungen I Sprachen mit autorisiertem Cambridge English Exam Centre Die FREI'S Schulen sind als Kantonale Berufsfachschule und…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 9 | 51 contacts → | ||||
Strong evidence “Bell Language School offers language courses to learners of all ages.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 10 | 40 contacts → | ||||
Partial evidence “Forte de 50 ans d'expérience dans le domaine de la formation linguistique, ASC Languages propose des cours sur mesure à une longue liste de clients tous plus exigeants les uns que…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 11 | 40 contacts → | ||||
Indirect evidence “English classes from age 3 - Spectacular environment” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 12 | 40 contacts → | ||||
Strong evidence “VOX-Sprachschule GmbH is an independent and quality-oriented language school with a mission to reshape and modernize the language-learning experience.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 13 | 37 contacts → | ||||
Indirect evidence “Redefining English learning with a modern, practice-first approach.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 37 contacts → | ||||
Indirect evidence “Führende Deutschsprachschule in der Schweiz mit Standorten in Zürich, Bern und Luzern Bereits mehr als Menschen haben bei uns Deutsch gelernt.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 35 contacts → | ||||
Indirect evidence “HDS Handels- und Dolmetscherschule St.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 16 | 29 contacts → | ||||
Partial evidence “Tandem International Multilingual School offers multilingual education from nursery to Matura in German, English and French within a structured, child-focused environment.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 17 | 26 contacts → | ||||
Indirect evidence “Let’s Talk Business.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 18 | 23 contacts → | ||||
Indirect evidence “Wir lehren die Sprache, damit Menschen sich verstehen – und sich auf Augenhöhe begegnen.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 22 contacts → | ||||
Partial evidence “My School Ticino is a bilingual Italian / English school situated in Castel San Pietro.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 20 | 22 contacts → | ||||
Strong evidence “We are a German language school in Zurich, Switzerland.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 21 | 22 contacts → | ||||
Partial evidence “We offer language and communication courses with expert instructors and an innovative method.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 22 | 21 contacts → | ||||
Indirect evidence “Depuis sa création en 1973, VOXEA Swiss Private Academy a développé une expertise de haut niveau en langues et en communication écrite, verbale et non verbale.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 23 | 19 contacts → | ||||
Partial evidence “Boa Lingua is a Swiss organization, specializing in language travel and international education experiences abroad.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 24 | 18 contacts → | ||||
Indirect evidence “So flexibel haben Sie noch nie gelernt: Die Sprachkurse bei homestudies richten sich nur nach den individuellen Bedürfnissen jedes Schülers.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 25 | 16 contacts → | ||||
Indirect evidence “Die social input gmbh verfügt über langjährige Erfahrung als Bildungsinstitution mit Angeboten im Sprach- und Integrationsbereich.” Source: RevenueBase Database · checked Sep 15, 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: language 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 language schools.
- Partial evidence
- Its own public description names part of language schools, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name language 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 25 of 290 language schools based in Switzerland
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Language schools based in Switzerland at a glance
As of Sep 15, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 290 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 language 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 Switzerland whose own description of what they do matches “language 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 language 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 language schools, and records with no verified work email. Companies headquartered outside Switzerland 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, 447 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 15, 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.
Language schools by metro
- Language schools in Zurich53
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 language 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 language schools are there based in Switzerland?
RevenueBase identified 290 language schools headquartered in Switzerland 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?
SIS Swiss International School, headquartered in Mannedorf, tops this list with the largest team on record.
Which city has the most language schools?
Zurich leads with 53 headquartered companies, followed by Lausanne (20) and Geneve (15).
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 447 verified decision-maker contacts tracked across these 290 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 15, 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.
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