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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationCultural & Educational OrganizationsCorcelles NeEcole de Danse Marina Grandjean Hartmann
Ecole de Danse Marina Grandjean Hartmann Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company's core activity is the education and instruction in various dance styles, particularly ballet, neoclassicism and classical dance, as well as stretching and flexibility training. The company offers courses for students of all age groups and levels and has specialized in the transmission of dance techniques and the promotion of the love of dance art.

AI-generated
Offering

Products & services

Industry:Cultural & Educational Organizations
✓ Offered5
Classical dance classes
Classical dance classes for children from 5 years old and for more advanced levels, with a synthesis of the French, Italian and Russian schools.
Neo-classical and flexibility classes
Neo-classical classes for male and female dancers with classical training, with warm-up, muscular conditioning, flexibility and more modern combinations.
Classical flexibility classes
Stretching classes with music at the barre, in the middle and on the floor, to maintain muscle tone and flexibility.
Dance performances
Dance performances presented every two years with four shows, costumes, lighting and sets, with students taking part on the main stage of Théâtre du Passage.
Dance studio rental
Dance studio rental on request.
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4.2/5

Ecole de Danse Marina Grandjean Hartmann

Trust & reputation

ranQ Trust Score of Ecole de Danse Marina Grandjean Hartmann: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Ecole de Danse Marina Grandjean Hartmann scores 85.1 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.77.224%
  • 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.96.210%
  • 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%
Ecole de Danse Marina Grandjean Hartmann scores 78.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Ecole de Danse Marina Grandjean Hartmann scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Ecole de Danse Marina Grandjean Hartmann scores 11.7 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 35.0.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.23.34%
Qualifications+0.00

Ecole de Danse Marina Grandjean Hartmann reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 43 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 43 reviews across all connected sources

Sources
GGoogle4.643
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 30, 2026Media
Ecole Marina Grandjean: «Pour la première fois en 30 ans, on ne dansera pas notre pas de deux, on restera en coulisses»
arcinfo.ch

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Location

Rue de la Gare 5
2035 Corcelles Ne

At a glance

Legal form
Sole proprietorship
UID
CHE-114.482.284
Founded
2008 · 18 years
Last commercial register change
January 7, 2021
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.67.06%
  • 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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