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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Consumer GoodsChernexA l'Unisson pianos Frédéric Genand
A l'Unisson pianos Frédéric Genand Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the restoration, repair, maintenance and sale of pianos, particularly high-end brands such as Steinway & Sons, Blüthner and others. This also includes specific services such as piano tuning, mechanism revision, restoration of instruments and sale of piano accessories. The company also provides consulting and expertise in the selection and maintenance of pianos.

AI-generated
Offering

Products & services

Industry:Repair of Consumer Goods
✓ Offered6
Piano tuning
Piano tuning, routine maintenance and adjustments for upright and grand pianos; careful work and availability announced.
Piano repair and revision
Repairs of pianos, revision of the action mechanism, restoration of instruments and estimates for restoration according to the customer’s budget.
Piano appraisal and quotation
Piano appraisal, assessment of the instrument’s condition and preparation of detailed quotations for restoration work.
Piano sales
Sale of new and used pianos, with independent advice on choosing the instrument and guidance according to the customer’s needs.
Piano rental
Piano rental, presented without interest, for customers looking for an instrument for temporary use.
Piano accessories
Piano accessories: Hydroceel tube, Piano LifeSaver humidifier, piano lamps, benches and piano seats.
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4.2/5

A l'Unisson pianos Frédéric Genand

Trust & reputation

ranQ Trust Score of A l'Unisson pianos Frédéric Genand: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

A l'Unisson pianos Frédéric Genand scores 81.5 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.86.524%
  • 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.72.110%
  • 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.78.08%
A l'Unisson pianos Frédéric Genand scores 74.0 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.89.612%
  • 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%
A l'Unisson pianos Frédéric Genand scores 85.0 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).85.022%
A l'Unisson pianos Frédéric Genand scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A l'Unisson pianos Frédéric Genand 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 16 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 16 reviews across all connected sources

Sources
GGoogle516
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Chemin Derrière Sonzier 2
1822 Chernex
Opening hours
Mon
08:00 - 22:00
Tue
08:00 - 22:00
Wed
08:00 - 22:00
Thu
08:00 - 22:00
Fri
08:00 - 22:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-418.271.026
Founded
2015 · 11 years
Last commercial register change
December 11, 2015
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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