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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesZurichStiftung Gymnasium Dr. Buchmann
Stiftung Gymnasium Dr. Buchmann Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The Gymnasium Dr. Buchmann is a private school that offers educational services and specializes in preparing students for the Swiss Matura. The company's core activity is providing educational programs, including teaching, supervision and support of students, to prepare them for the Matura and promote their personal strengths.

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Products & services

Industry:Continuing Education Institutes
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4.1/5

Stiftung Gymnasium Dr. Buchmann

✓ Offered3
Gymnasium for Swiss Maturität
Gymnasium with long gymnasium and short gymnasium, personal learning environments, profile selection, the Maturaarbeit, internal maturity examinations and support up to the Swiss Maturität.
Admission to the long gymnasium and short gymnasium
Admission procedure with a personal interview, submission of certificates and, where applicable, ZAP results; entry to the long gymnasium or short gymnasium according to specified requirements.
Additional learning opportunities and learning coaching
Learning and work techniques, an ICDL course in the first short gymnasium, as well as individual internal and external learning coaching to support learning.
Trust & reputation

ranQ Trust Score of Stiftung Gymnasium Dr. Buchmann: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 88% · As of October 2026

Stiftung Gymnasium Dr. Buchmann scores 55.7 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.50.924%
  • 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.67.110%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Stiftung Gymnasium Dr. Buchmann scores 91.6 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.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.82.07%
Stiftung Gymnasium Dr. Buchmann scores 83.3 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).83.322%
Stiftung Gymnasium Dr. Buchmann scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stiftung Gymnasium Dr. Buchmann reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 13 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
3.8
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle3.813
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Keltenstrasse 11
8044 Zurich
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Foundation
UID
CHE-107.826.295
Founded
1964 · 62 years
Last commercial register change
August 28, 2026
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.97.06%
  • 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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