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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryRetail & CommerceMusic storeGenevaKaspar Maurer
Kaspar Maurer Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Kaspar Maurer is a lutherie workshop specialising in string instruments and bows. It sells and rents violins, violas and cellos, along with accessories, and offers advice, adjustments, maintenance, repairs and restoration.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Music store
✓ Offered6
Setup of string instruments
Custom setups for violins, violas and cellos, with advice and adjustments tailored to the needs of amateur or professional musicians.
Repair and restoration of string instruments
Repair, restoration and reconditioning of antique instruments, carried out with care for violins, violas and cellos.
Bow rehairing and repair
Repair and rehairing of bows, with bow maintenance as part of the workshop services.
Sale of string instruments
Sale of violins, violas and cellos of European origin, available in different price categories.
Rental of string instruments
Rental of string instruments prepared with care, with a minimum contract of three months and a deduction of six months’ rental in case of purchase.
Sale of accessories and supplies for instruments
Cases, strings, rosin, music stands, metronomes and other items available on request.
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4.4/5

Kaspar Maurer

Trust & reputation

ranQ Trust Score of Kaspar Maurer: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Kaspar Maurer scores 91.0 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.88.824%
  • 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.93.210%
  • 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%
Kaspar Maurer scores 78.5 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%
Kaspar Maurer 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%
Kaspar Maurer scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kaspar Maurer reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 38 customer reviews. The data basis is 96%, 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
4.9
of 5

Aggregated from 38 reviews across all connected sources

Sources
GGoogle4.938
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue de la Ferme 9
1205 Geneva
Opening hours
Mon
Closed
Tue
09:00 - 12:00, 14:00 - 18:30
Wed
09:00 - 12:00, 14:00 - 18:30
Thu
09:00 - 12:00, 14:00 - 18:30
Fri
09:00 - 12:00, 14:00 - 18:30
Sat
09:00 - 12:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-103.823.205
Founded
1986 · 40 years
Last commercial register change
November 25, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GEGeneva
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.
67.0
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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