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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing education providerSarnenGrundacherei GmbH
Grundacherei GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Grundacherei GmbH provides professional development and services in school development for teachers and school teams. Its offerings include courses, school visits and observations, workshops, presentations, school consultancy and coaching on approaches such as personalised, self-directed and mixed-age learning.

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Service area

Offering

Products & services

Industry:Continuing education provider
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Grundacherei GmbH

✓ Offered6
School development courses
Further education for school development, individual courses, keynotes and workshops for teachers and school site teams; topics on personalized, self-determined, mixed-age and sustainable learning.
School visits and lesson observations
Visit days and lesson observations in small groups or large groups, providing insight into the school concept, rooms, learning materials and everyday school life; also public courses with the possibility of observation.
Grundacherei Shop
Orderable school products such as competency grids, competency cards, children’s song CD, download code and a song booklet with playback CD; digital delivery or shipping after ordering.
Room rental
Rental of rooms with a hall, stage and gastro kitchen; additionally, rental options for crêperie, crêpe griddle, incubator, tents, as well as sound systems and accessories.
Support for learning environments
Support for schools and teams in building their own learning environments; courses and practical examples for adult worlds such as the post office, municipality, health centre, theatre festival or market square.
Makerspace support
Courses and insights into setting up a makerspace; working with artistic, craft, digital and electronic processes, as well as supporting projects and challenges.
Trust & reputation

ranQ Trust Score of Grundacherei GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 88% · As of November 2026

Grundacherei GmbH scores 65.0 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.75.024%
  • 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.40.910%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Grundacherei GmbH scores 86.7 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.70.07%
Grundacherei GmbH scores 86.7 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).86.722%
Grundacherei GmbH scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grundacherei GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 4 customer reviews. The data basis is 88%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Grundacherweg 5
6060 Sarnen
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:00
Thu
07:30 - 17:30
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-113.666.717
Founded
2007 · 19 years
Last commercial register change
December 3, 2024
Employees
11 to 20

Active in 1 of 26 cantons · 1 municipality

  • OWSarnen
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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