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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Books & MediaOltenKLASSODERN Music Service Center GmbH
KLASSODERN Music Service Center GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

KLASSODERN Music Service Center GmbH performs overhauls, maintenance, repairs and modifications on wind instruments. The company also provides valuations, instrument testing, buying, selling and rental services, custom-build solutions and accessories.

AI-generated
Offering

Products & services

Industry:Retail - Books & Media
✓ Offered8
Service – maintenance
Overhauls, service maintenance work and specialist workshop repairs for woodwind and brass instruments, with advice on the recommended work and appointment scheduling.
Repair
Repairs for instruments, including emergency appointments when an instrument no longer works properly.
Modifications
Individual solutions and custom-made special builds for instruments, tailored to specific customer wishes and special requirements.
Valuation
Expert appraisals and valuations for instruments, including written confirmation for a fee.
Trial playing
Non-binding trial playing of various instruments, accessories and mouthpieces, including taking mouthpieces home to test.
Sales of woodwind and brass instruments
Sale of new instruments and pre-owned instruments for woodwind and brass instruments, with offers tailored to customers.
Buying pre-owned instruments
Purchase of used instruments, also on a consignment basis, by appointment, via photos or videos, followed by an indicative price quote.
Trumpet making Swiss Hand Made
Custom-built trumpets to customer specifications, made as individual hand-crafted pieces with expertise and craftsmanship.
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4.3/5

KLASSODERN Music Service Center GmbH

Trust & reputation

ranQ Trust Score of KLASSODERN Music Service Center GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

KLASSODERN Music Service Center GmbH scores 85.0 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.87.124%
  • 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.85.610%
  • 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%
KLASSODERN Music Service Center GmbH scores 72.3 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.75.012%
  • 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%
KLASSODERN Music Service Center GmbH 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%
KLASSODERN Music Service Center GmbH scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

KLASSODERN Music Service Center GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 28 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
4.9
of 5

Aggregated from 28 reviews across all connected sources

Sources
GGoogle4.928
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rötzmattweg 17
4600 Olten
Opening hours
Mon
Closed
Tue
08:30 - 12:00, 13:30 - 18:30
Wed
08:30 - 12:00, 13:30 - 18:30
Thu
08:30 - 12:00, 13:30 - 18:30
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-146.850.481
Founded
2019 · 7 years
Last commercial register change
October 4, 2024
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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