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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesRolleEtablissements du Rosey SA
Etablissements du Rosey SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Etablissements du Rosey SA operates Le Rosey, a 100% boarding school for students aged 8–18. The school provides bilingual academics leading to the International Baccalaureate or the French Baccalaureate, together with a broad extracurricular programme covering sports, the arts, technology and service learning, and it maintains a main campus and a winter campus.

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Etablissements du Rosey SA

✓ Offered8
Bilingual boarding school
Boarding for students aged 8 to 18, with instruction in French and English, two campuses in Rolle and Gstaad, and support in everyday life.
Juniors school programme
Bilingual primary school programme for grades 9 to 6 HarmoS, with French and English, the British curriculum and IPC, and individualised follow-up.
Cadets school programme
Bilingual programme for grades 5 and 4, with instruction in French or English, a compulsory third language and interdisciplinary projects.
Pre-Bac programme
Two-year programme for grades 3 and 2, preparing for the French and the International Baccalaureate, with bilingualism, methodology and guidance.
French Baccalaureate
Training leading to the French Baccalaureate, including literature, foreign languages, sciences, history and geography, philosophy and specialisations in Première and Terminale.
International Baccalaureate (BI)
Training leading to the BI, with six subject areas, theory of knowledge, the extended essay, CAS and the option of a bilingual diploma.
University guidance
Personalised advice for university applications, selection of institutions, preparation of documents and the Horizons programme for grades 3 and 2.
Arts, Sports, Services & Culture
After-school activities and the CASC programme with sports, arts, technology, community service, cultural events and clubs.
Trust & reputation

ranQ Trust Score of Etablissements du Rosey SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 88% · As of October 2026

Etablissements du Rosey SA scores 71.9 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.60.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.100.010%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Etablissements du Rosey SA scores 84.6 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.97.712%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Etablissements du Rosey SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Etablissements du Rosey SA scores 100.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Etablissements du Rosey SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 278 customer reviews. The data basis is 88%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 278 reviews across all connected sources

Sources
GGoogle4.2278
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Château Le Rosey
1180 Rolle
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-439.839.688
Founded
2012 · 14 years
Last commercial register change
May 1, 2019
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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