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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesMontreuxInterlangues.com Sàrl
Interlangues.com Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Interlangues.com Sàrl offers language training focused on professional communication for companies and exam preparation for internationally recognised certificates; it uses a direct teaching method ('listen, understand, repeat, speak') and selects teachers based on language mastery, cultural knowledge and pedagogical skills.

AI-generated
Offering

Products & services

Industry:Continuing Education Institutes
✓ Offered9
Language courses for companies
Language courses focused on the specifics of professional language, tailored to companies’ needs and communication with partners.
Language courses for individuals
Tailored language courses, in private sessions or in small groups, adapted to students’ levels, goals and available lesson times.
Exam and language diploma preparation
Courses to prepare for certificates and language diplomas recognised worldwide, with levels A1-A2, B1-B2 and C1-C2.
Immersion courses
Very intensive individual courses, recommended before an extended stay abroad or for people whose language is not their mother tongue in French-speaking Switzerland.
Business French courses
Courses to improve professional communication in French: presenting the company, talking about products and services, making phone calls, producing documents and networking.
Certified translation
Certified translation of common, commercial, legal, technical, artistic and other texts.
Oral communication courses in French
Courses to acquire the tools needed for simple and correct oral expression, for everyday situations, phone calls and customer reception.
Written communication courses in French
Courses based on spelling, punctuation and syntax, to write notes, letters and e-mail messages.
French literature courses
Programme based on French literature, culture and civilisation, organized to encourage students’ active participation.
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3.8/5

Interlangues.com Sàrl

Trust & reputation

ranQ Trust Score of Interlangues.com Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Interlangues.com Sàrl scores 49.8 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.68.224%
  • 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.17.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Interlangues.com Sàrl scores 83.0 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.100.012%
  • 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%
Interlangues.com Sàrl 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%
Interlangues.com Sàrl scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Interlangues.com Sàrl reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue du Casino 36
1820 Montreux

At a glance

Legal form
Limited Liability Company
UID
CHE-106.840.849
Founded
1999 · 27 years
Last commercial register change
January 28, 2016
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.
88.0
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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