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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesWinterthurEnglish Sellers GmbH
English Sellers GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of English Sellers GmbH is the provision of English language courses for private individuals and corporate clients in the form of one-to-one tuition, group classes and corporate training.

AI-generated
Offering

Products & services

Industry:Continuing Education Institutes
✓ Offered4
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4.6/5

English Sellers GmbH

English instruction
English instruction for fundamentals, conversation, exam preparation, Business English and literature courses; as individual tuition, group courses or corporate courses, on site or online.
Corporate courses
Tailor-made English instruction for companies in the meeting room, with group and individual tuition, varying durations, online options and content tailored to the industry.
Individual tuition
English instruction tailored to your needs for 1 person or 1–2 accompanying persons, with freely selectable content, dates and duration, online or on site.
Group courses
English group courses in small groups with weekly instruction, joker lessons, different intensities and options for online or on site.
Trust & reputation

ranQ Trust Score of English Sellers GmbH: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

English Sellers GmbH scores 96.5 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.95.624%
  • 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: 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.95.08%
English Sellers GmbH scores 83.9 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.86.512%
  • 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.82.07%
English Sellers GmbH 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%
English Sellers GmbH scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

English Sellers GmbH reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 70 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 70 reviews across all connected sources

Sources
GGoogle570
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Marktgasse 2/4
8400 Winterthur
Opening hours
Mon
09:00 - 21:00
Tue
09:00 - 21:00
Wed
09:00 - 21:00
Thu
09:00 - 21:00
Fri
09:00 - 21:00
Sat
09:00 - 18:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-247.686.368
Founded
2016 · 10 years
Last commercial register change
January 19, 2017
Employees
21 to 50
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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