Company lists · Data refreshed September 2026
Top 25 Esl schools based in Switzerland
RevenueBase identified 143 company matches for esl schools associated with Switzerland as of September 2026 and tracks 4,084 professional contacts across them, including 154 with verified work emails. Zurich is the largest hub.
This list covers company matches for esl schools associated with Switzerland, 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 September 20, 2026.
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.
The 25 largest esl schools based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 136 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 94 contacts → | ||||
Exact match “Wir lassen Sie nicht warten: Die Durchführung unserer Lehrgänge ist bis zu 4-mal jährlich garantiert.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 92 contacts → | ||||
Exact match “Alpadia Language Schools is a Swiss company with an international vision, devoted to excellence in teaching languages to enrich students' futures.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 51 contacts → | ||||
Exact match “Bell Language School offers language courses to learners of all ages.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 40 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 40 contacts → | ||||
Exact match “English classes from age 3 - Spectacular environment” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 40 contacts → | ||||
Exact match “VOX-Sprachschule GmbH is an independent and quality-oriented language school with a mission to reshape and modernize the language-learning experience.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 37 contacts → | ||||
Exact match “Redefining English learning with a modern, practice-first approach.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 35 contacts → | ||||
Exact match “HDS Handels- und Dolmetscherschule St.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 26 contacts → | ||||
Exact match “Let’s Talk Business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 22 contacts → | ||||
Exact match “We offer language and communication courses with expert instructors and an innovative method.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “LTG Academy is a business and language center, based in Switzerland, providing different services related to management, business and language acquisition.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 14 contacts → | ||||
Exact match “Die Volkshochschule Region Biel-Lyss versteht sich als zweisprachige Bildungs- und Begegnungsstätte im Dienste der Region; ihr Angebot steht hauptsächlich Erwachsenen offen und…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “With more than 20 years' experience in teaching languages and an average of 600 courses a year, TLC is the right partner for language courses which are individualised, practical…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “LanguageMasters sind eine Sprachschule und ein Übersetzungsbüro im Zentrum von Zürich.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Imparare inglese da adulti è completamente diverso.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “Over the past 15 years, AtoZ English has expanded from a small class of three in a village outside Zürich to many classes running across four Kantons (Aargau, Schwyz, Zug &…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “At Pro Linguis we breath and love languages, and have done so since 1955, when we organised our first language travel to Barcelona.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “Der ARCADIA Bildungscampus AG bildet das Dach für eine Vielzahl von ausgezeichneten Aus- und Weiterbildungen im sprachlichen wie auch im schulischen Bereich.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 7 contacts → | ||||
Exact match “La meilleure qualité en 11 Langues!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “SWISS LINGUA propose des formations adaptées aux attentes et aspirations de ses clients de tous horizons depuis Que cela soit pour des entreprises locales ou internationales, pour…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “The Boston School provides corporate English language training and examination preparation courses across Switzerland.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Français, English, Deutsch, Español, Italiano, Português.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Club English - Les cours d'anglais à Sion.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “CONCEPT Designed for working professionals, the Rhetorica Method is a revolutionary way to learn language in person or online with a trainer without leaving the office.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “esl schools”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 143 esl schools based in Switzerland
See the full list, filter by size, metro and specialty, and access 154 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Esl schools based in Switzerland at a glance
As of Sep 20, 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 143 companies.
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.
- What qualifies
- Company records associated with Switzerland whose business descriptions match “esl 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 154 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 September 20, 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.
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 schools”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many esl schools are there based in Switzerland?
RevenueBase identified 143 company matches for esl schools associated with Switzerland as of September 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?
EF English First tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most esl schools?
Zurich leads with 25 company records, followed by Geneva (13) and Basel (9).
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 154 professional contacts with verified work emails tracked across these 143 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 September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 143 esl schools based in Switzerland. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 esl schools based in Switzerland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 143 matching company records for esl schools based in Switzerland, with 4,084 tracked contacts and 154 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 esl schools based in Switzerland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | EF English Firstenglish1.com HQ: Lucerne, SwitzerlandReported employees: 5,001-10,000 | Lucerne, Switzerland | 5,001-10,000 | Exact match | 136 contacts → |
“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…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SWS Schulen FÜR Wirtschaft UND Sprachensws-weiterbildung.ch HQ: Winterthur, SwitzerlandReported employees: 51-200 | Winterthur, Switzerland | 51-200 | Exact match | 94 contacts → |
“Wir lassen Sie nicht warten: Die Durchführung unserer Lehrgänge ist bis zu 4-mal jährlich garantiert.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Alpadia Language Schoolsalpadia.comHQ: Montreux, SwitzerlandReported employees: 51-200 | Montreux, Switzerland | 51-200 | Exact match | 92 contacts → |
“Alpadia Language Schools is a Swiss company with an international vision, devoted to excellence in teaching languages to enrich students' futures.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Bell Language School Switzerlandbell-school.chHQ: Geneva, SwitzerlandReported employees: 51-200 | Geneva, Switzerland | 51-200 | Exact match | 51 contacts → |
“Bell Language School offers language courses to learners of all ages.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ASC Languagesasc-languages.chHQ: Geneva, SwitzerlandReported employees: 51-200 | Geneva, Switzerland | 51-200 | Exact match | 40 contacts → |
“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…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Institut International Notre-Dame DU LACnotre-dame-du-lac.ch HQ: Cologny, SwitzerlandReported employees: 51-200 | Cologny, Switzerland | 51-200 | Exact match | 40 contacts → |
“English classes from age 3 - Spectacular environment” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vox-Sprachschulevox-sprachschule.ch HQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 40 contacts → |
“VOX-Sprachschule GmbH is an independent and quality-oriented language school with a mission to reshape and modernize the language-learning experience.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Easypeasyfluenteasypeasyfluent.comHQ: Zug, SwitzerlandReported employees: 11-50 | Zug, Switzerland | 11-50 | Exact match | 37 contacts → |
“Redefining English learning with a modern, practice-first approach.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HDS Haus DER Sprachen AGhds.ch HQ: Sankt Gallen, SwitzerlandReported employees: 51-200 | Sankt Gallen, Switzerland | 51-200 | Exact match | 35 contacts → |
“HDS Handels- und Dolmetscherschule St.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sprachschule Schneider AGsprachschuleschneider.chHQ: Stadtkreis 9, SwitzerlandReported employees: 51-200 | Stadtkreis 9, Switzerland | 51-200 | Exact match | 26 contacts → |
“Let’s Talk Business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | OSAMosamformations.com HQ: Geneva, SwitzerlandReported employees: 11-50 | Geneva, Switzerland | 11-50 | Exact match | 22 contacts → |
“We offer language and communication courses with expert instructors and an innovative method.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | LTG Academyltg-academy.ch HQ: Geneva, SwitzerlandReported employees: 11-50 | Geneva, Switzerland | 11-50 | Exact match | 15 contacts → |
“LTG Academy is a business and language center, based in Switzerland, providing different services related to management, business and language acquisition.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Biel, SwitzerlandReported employees: 11-50 | Biel, Switzerland | 11-50 | Exact match | 14 contacts → |
“Die Volkshochschule Region Biel-Lyss versteht sich als zweisprachige Bildungs- und Begegnungsstätte im Dienste der Region; ihr Angebot steht hauptsächlich Erwachsenen offen und…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  TLC Sprachschule International House Zurich-Badenalphasprachwelt.chHQ: Baden, SwitzerlandReported employees: 51-200 | Baden, Switzerland | 51-200 | Exact match | 13 contacts → |
“With more than 20 years' experience in teaching languages and an average of 600 courses a year, TLC is the right partner for language courses which are individualised, practical…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Languagemasterslanguagemasters.ch HQ: Zurich, SwitzerlandReported employees: 11-50 | Zurich, Switzerland | 11-50 | Exact match | 12 contacts → |
“LanguageMasters sind eine Sprachschule und ein Übersetzungsbüro im Zentrum von Zürich.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Inglesefastinglesefast.com HQ: Lugano, SwitzerlandReported employees: 1-10 | Lugano, Switzerland | 1-10 | Exact match | 9 contacts → |
“Imparare inglese da adulti è completamente diverso.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Atoz Englishatozenglish.ch HQ: Altstetten, SwitzerlandReported employees: 11-50 | Altstetten, Switzerland | 11-50 | Exact match | 9 contacts → |
“Over the past 15 years, AtoZ English has expanded from a small class of three in a village outside Zürich to many classes running across four Kantons (Aargau, Schwyz, Zug &…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | PRO Linguisprolinguis.ch HQ: Zurich, SwitzerlandReported employees: 11-50 | Zurich, Switzerland | 11-50 | Exact match | 9 contacts → |
“At Pro Linguis we breath and love languages, and have done so since 1955, when we organised our first language travel to Barcelona.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Arcadia Bildungscampus AGarcadia-bildungscampus.ch HQ: Basel, SwitzerlandReported employees: 11-50 | Basel, Switzerland | 11-50 | Exact match | 8 contacts → |
“Der ARCADIA Bildungscampus AG bildet das Dach für eine Vielzahl von ausgezeichneten Aus- und Weiterbildungen im sprachlichen wie auch im schulischen Bereich.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Inlingua Valais Wallisinlingua-valais.ch HQ: Sion, SwitzerlandReported employees: 11-50 | Sion, Switzerland | 11-50 | Exact match | 7 contacts → |
“La meilleure qualité en 11 Langues!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Swiss-Linguaswiss-lingua.chHQ: Estavayer, SwitzerlandReported employees: 11-50 | Estavayer, Switzerland | 11-50 | Exact match | 6 contacts → |
“SWISS LINGUA propose des formations adaptées aux attentes et aspirations de ses clients de tous horizons depuis Que cela soit pour des entreprises locales ou internationales, pour…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Boston School Gmbhthebostonschool.com HQ: Zurich, SwitzerlandReported employees: 1-10 | Zurich, Switzerland | 1-10 | Exact match | 5 contacts → |
“The Boston School provides corporate English language training and examination preparation courses across Switzerland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Inlingua Neuchâtelinlinguaneuchatel.chHQ: Neuchâtel, SwitzerlandReported employees: 11-50 | Neuchâtel, Switzerland | 11-50 | Exact match | 4 contacts → |
“Français, English, Deutsch, Español, Italiano, Português.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Club Englishclubenglish.ch HQ: Sion, SwitzerlandReported employees: 1-10 | Sion, Switzerland | 1-10 | Exact match | 3 contacts → |
“Club English - Les cours d'anglais à Sion.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Rhetorica Gmbhrhetorica.worldHQ: Basel, SwitzerlandReported employees: 1-10 | Basel, Switzerland | 1-10 | Exact match | 1 contacts → |
“CONCEPT Designed for working professionals, the Rhetorica Method is a revolutionary way to learn language in person or online with a trainer without leaving the office.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 143 company matches
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Esl schools: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
143 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 143 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for esl schools?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many esl schools did RevenueBase find based in Switzerland?
The saved snapshot records 143 matching company records, 4,084 tracked contacts and 154 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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- Esl schools based in Belo Horizonte, Brazil
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- Esl schools based in Sao Paulo, Brazil
- Esl schools based in Montreal, Canada
- Esl schools based in Toronto, Canada
- Esl schools based in Vancouver, Canada
- Esl schools based in Barcelona, Spain
- Esl schools based in Madrid, Spain
- Esl schools based in Argentina
- Esl schools based in Australia
- Esl schools based in Austria
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 esl schools based in Switzerland. Snapshot: September 20, 2026. https://revenuebase.ai/companies/esl-schools/switzerland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 esl schools based in Switzerland
RevenueBase records 143 matching company records for esl schools based in Switzerland, with 4,084 tracked contacts and 154 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 esl schools based in Switzerland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | EF English Firstenglish1.com HQ: Lucerne, SwitzerlandReported employees: 5,001-10,000 | Lucerne, Switzerland | 5,001-10,000 | Exact match | 136 contacts → |
“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…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SWS Schulen FÜR Wirtschaft UND Sprachensws-weiterbildung.ch HQ: Winterthur, SwitzerlandReported employees: 51-200 | Winterthur, Switzerland | 51-200 | Exact match | 94 contacts → |
“Wir lassen Sie nicht warten: Die Durchführung unserer Lehrgänge ist bis zu 4-mal jährlich garantiert.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Alpadia Language Schoolsalpadia.com HQ: Montreux, SwitzerlandReported employees: 51-200 | Montreux, Switzerland | 51-200 | Exact match | 92 contacts → |
“Alpadia Language Schools is a Swiss company with an international vision, devoted to excellence in teaching languages to enrich students' futures.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bell Language School Switzerlandbell-school.ch HQ: Geneva, SwitzerlandReported employees: 51-200 | Geneva, Switzerland | 51-200 | Exact match | 51 contacts → |
“Bell Language School offers language courses to learners of all ages.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ASC Languagesasc-languages.ch HQ: Geneva, SwitzerlandReported employees: 51-200 | Geneva, Switzerland | 51-200 | Exact match | 40 contacts → |
“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…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Institut International Notre-Dame DU LACnotre-dame-du-lac.ch HQ: Cologny, SwitzerlandReported employees: 51-200 | Cologny, Switzerland | 51-200 | Exact match | 40 contacts → |
“English classes from age 3 - Spectacular environment” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vox-Sprachschulevox-sprachschule.ch HQ: Zürich, SwitzerlandReported employees: 51-200 | Zürich, Switzerland | 51-200 | Exact match | 40 contacts → |
“VOX-Sprachschule GmbH is an independent and quality-oriented language school with a mission to reshape and modernize the language-learning experience.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Easypeasyfluenteasypeasyfluent.com HQ: Zug, SwitzerlandReported employees: 11-50 | Zug, Switzerland | 11-50 | Exact match | 37 contacts → |
“Redefining English learning with a modern, practice-first approach.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HDS Haus DER Sprachen AGhds.ch HQ: Sankt Gallen, SwitzerlandReported employees: 51-200 | Sankt Gallen, Switzerland | 51-200 | Exact match | 35 contacts → |
“HDS Handels- und Dolmetscherschule St.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sprachschule Schneider AGsprachschuleschneider.ch HQ: Stadtkreis 9, SwitzerlandReported employees: 51-200 | Stadtkreis 9, Switzerland | 51-200 | Exact match | 26 contacts → |
“Let’s Talk Business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | OSAMosamformations.com HQ: Geneva, SwitzerlandReported employees: 11-50 | Geneva, Switzerland | 11-50 | Exact match | 22 contacts → |
“We offer language and communication courses with expert instructors and an innovative method.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | LTG Academyltg-academy.ch HQ: Geneva, SwitzerlandReported employees: 11-50 | Geneva, Switzerland | 11-50 | Exact match | 15 contacts → |
“LTG Academy is a business and language center, based in Switzerland, providing different services related to management, business and language acquisition.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Biel, SwitzerlandReported employees: 11-50 | Biel, Switzerland | 11-50 | Exact match | 14 contacts → |
“Die Volkshochschule Region Biel-Lyss versteht sich als zweisprachige Bildungs- und Begegnungsstätte im Dienste der Region; ihr Angebot steht hauptsächlich Erwachsenen offen und…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TLC Sprachschule International House Zurich-Badenalphasprachwelt.ch HQ: Baden, SwitzerlandReported employees: 51-200 | Baden, Switzerland | 51-200 | Exact match | 13 contacts → |
“With more than 20 years' experience in teaching languages and an average of 600 courses a year, TLC is the right partner for language courses which are individualised, practical…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Languagemasterslanguagemasters.ch HQ: Zurich, SwitzerlandReported employees: 11-50 | Zurich, Switzerland | 11-50 | Exact match | 12 contacts → |
“LanguageMasters sind eine Sprachschule und ein Übersetzungsbüro im Zentrum von Zürich.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Inglesefastinglesefast.com HQ: Lugano, SwitzerlandReported employees: 1-10 | Lugano, Switzerland | 1-10 | Exact match | 9 contacts → |
“Imparare inglese da adulti è completamente diverso.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Atoz Englishatozenglish.ch HQ: Altstetten, SwitzerlandReported employees: 11-50 | Altstetten, Switzerland | 11-50 | Exact match | 9 contacts → |
“Over the past 15 years, AtoZ English has expanded from a small class of three in a village outside Zürich to many classes running across four Kantons (Aargau, Schwyz, Zug &…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | PRO Linguisprolinguis.ch HQ: Zurich, SwitzerlandReported employees: 11-50 | Zurich, Switzerland | 11-50 | Exact match | 9 contacts → |
“At Pro Linguis we breath and love languages, and have done so since 1955, when we organised our first language travel to Barcelona.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Arcadia Bildungscampus AGarcadia-bildungscampus.ch HQ: Basel, SwitzerlandReported employees: 11-50 | Basel, Switzerland | 11-50 | Exact match | 8 contacts → |
“Der ARCADIA Bildungscampus AG bildet das Dach für eine Vielzahl von ausgezeichneten Aus- und Weiterbildungen im sprachlichen wie auch im schulischen Bereich.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Inlingua Valais Wallisinlingua-valais.ch HQ: Sion, SwitzerlandReported employees: 11-50 | Sion, Switzerland | 11-50 | Exact match | 7 contacts → |
“La meilleure qualité en 11 Langues!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Swiss-Linguaswiss-lingua.ch HQ: Estavayer, SwitzerlandReported employees: 11-50 | Estavayer, Switzerland | 11-50 | Exact match | 6 contacts → |
“SWISS LINGUA propose des formations adaptées aux attentes et aspirations de ses clients de tous horizons depuis Que cela soit pour des entreprises locales ou internationales, pour…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Boston School Gmbhthebostonschool.com HQ: Zurich, SwitzerlandReported employees: 1-10 | Zurich, Switzerland | 1-10 | Exact match | 5 contacts → |
“The Boston School provides corporate English language training and examination preparation courses across Switzerland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Inlingua Neuchâtelinlinguaneuchatel.ch HQ: Neuchâtel, SwitzerlandReported employees: 11-50 | Neuchâtel, Switzerland | 11-50 | Exact match | 4 contacts → |
“Français, English, Deutsch, Español, Italiano, Português.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Club Englishclubenglish.ch HQ: Sion, SwitzerlandReported employees: 1-10 | Sion, Switzerland | 1-10 | Exact match | 3 contacts → |
“Club English - Les cours d'anglais à Sion.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Rhetorica Gmbhrhetorica.world HQ: Basel, SwitzerlandReported employees: 1-10 | Basel, Switzerland | 1-10 | Exact match | 1 contacts → |
“CONCEPT Designed for working professionals, the Rhetorica Method is a revolutionary way to learn language in person or online with a trainer without leaving the office.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 143 company matches
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Esl schools: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
143 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 143 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for esl schools?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many esl schools did RevenueBase find based in Switzerland?
The saved snapshot records 143 matching company records, 4,084 tracked contacts and 154 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 esl schools based in Switzerland. Snapshot: September 20, 2026. https://revenuebase.ai/companies/esl-schools/switzerland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗