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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationOrchestras & MusiciansZurichGERSHWIN PIANO QUARTET, Inhaber M. Cheung
GERSHWIN PIANO QUARTET, Inhaber M. Cheung Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is the musical performance and interpretation of classical works by a piano quartet, specializing in the performance of its own arrangements and adaptations of music pieces from various traditions, with a particular focus on the music of George Gershwin.

AI-generated
Offering

Products & services

Industry:Orchestras & Musicians
✓ Offered4
Concerts
Live appearances by the Gershwin Piano Quartet at concert venues and festivals, including guest artists such as a dancer or a singer.
Repertoire
Repertoire list with works by the quartet; in addition, programmes with choreographed arrangements and featuring songs by Gershwin and Cole Porter.
CD
Signed CD 'Transatlantiques' by the Gershwin Piano Quartet, released by Sony Classical; orderable via the website.
Piano artistry / performances by the quartet
Four-piano and four-pianist performances with Gershwin programmes, concert tours, and radio, TV and CD productions.
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4.1/5

GERSHWIN PIANO QUARTET, Inhaber M. Cheung

Trust & reputation

ranQ Trust Score of GERSHWIN PIANO QUARTET, Inhaber M. Cheung: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

GERSHWIN PIANO QUARTET, Inhaber M. Cheung has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
GERSHWIN PIANO QUARTET, Inhaber M. Cheung scores 75.3 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.92.512%
  • 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.55.07%
GERSHWIN PIANO QUARTET, Inhaber M. Cheung scores 83.3 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).83.322%
GERSHWIN PIANO QUARTET, Inhaber M. Cheung scores 65.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.65.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GERSHWIN PIANO QUARTET, Inhaber M. Cheung reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Sempacherstrasse 50
8032 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-241.748.924
Founded
2014 · 12 years
Last commercial register change
April 21, 2026
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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