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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 GoodsSt. Gallenpianohaus.ch gmbh
pianohaus.ch gmbh Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Pianohaus is the trade and maintenance of pianos and grand pianos, including the purchase, sale, restoration and repair of instruments, as well as the distribution of related accessories.

AI-generated
Offering

Products & services

Industry:Repair of Consumer Goods
✓ Offered2
Pianos
Pianos, probably sale or offering of upright and grand pianos; listed on the home page as a main section next to accessories.
Accessories
Accessories for pianos, listed as a separate main section on the website; specific items are not visible on the home page.
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4.1/5

pianohaus.ch gmbh

Trust & reputation

ranQ Trust Score of pianohaus.ch gmbh: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

pianohaus.ch gmbh scores 68.3 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.73.124%
  • 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.35.310%
  • 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%
pianohaus.ch gmbh scores 83.0 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.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%
pianohaus.ch gmbh scores 85.0 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).85.022%
pianohaus.ch gmbh scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

pianohaus.ch gmbh reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rosenbergstrasse 50
9000 St. Gallen
Opening hours
Mon
14:00 - 17:30
Tue
Closed
Wed
14:00 - 17:30
Thu
08:00 - 12:00, 14:00 - 17:30
Fri
14:00 - 17:30
Sat
10:00 - 12:00, 13:30 - 16:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.123.288
Founded
2004 · 22 years
Last commercial register change
April 17, 2023
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.
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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