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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Consumer GoodsSt. GallenSprenger AG
Sprenger AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sprenger AG is a violin dealer and luthier workshop that sells stringed instruments and bows and performs repairs and restorations. Its shops in St. Gallen and Bern also offer student instruments, rental options and written or spoken valuations.

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Products & services

Industry:Repair of Consumer Goods
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4.1/5

Sprenger AG

7
Repairs / Restoration
Maintenance work, repairs and restorations for all string instruments and bows; on request with réglage and a prior free cost estimate.
Expertise
Valuations and appraisals for instruments and bows, verbal or written; classification by origin, age, condition and value for sale or insurance.
Rental instruments
Rental of violins, violas, violoncellos and double basses in all sizes and price ranges; including bow, case or cover, rosin and accessories.
Student instruments
Sale of student instruments and bows for violin, viola, cello and double bass; plus rental and a trade-in guarantee for 4/4 instruments.
Master instruments
Selection of master instruments and bows from different periods and schools; sale, advice and, in part, rental on attractive terms.
Cases & Accessories
Instrument cases and covers for string instruments and bows, as well as strings, other accessories and rosin, also from Continuo.
Electronic string instruments
Electronic violins and cellos from Yamaha as well as pickups; advice, post-processing in the workshop and also rental of electronic instruments.
Trust & reputation

ranQ Trust Score of Sprenger AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Sprenger AG 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.
x
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%
Sprenger AG scores 87.1 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%
Sprenger AG 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%
Sprenger AG scores 46.2 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 35.85.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.6.74%
Qualifications+0.00

Sprenger AG 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 58%, 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.

Press

Media

July 4, 2023Media
Im ältesten Geigenbauatelier der Schweiz | Stadt St.Gallen
stgallen24.ch

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Location

Neugasse 53
9000 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-105.784.295
Founded
1974 · 52 years
Last commercial register change
November 3, 2010
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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