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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRecording Studios & Audio ProductionKaiserstuhl AgGTM - Gitarrenservice & Tontechnik M. Minder GmbH
GTM - Gitarrenservice & Tontechnik M. Minder GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

GTM - Gitarrenservice & Tontechnik M. Minder GmbH provides guitar servicing, repairs, setups and modifications for electric guitars, acoustic guitars and basses. Its activities also include audio engineering services such as recording, mixing, support, installations and rental, as well as a store for guitars and accessories.

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Products & services

Industry:Recording Studios & Audio Production
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GTM - Gitarrenservice & Tontechnik M. Minder GmbH

Repair of Consumer Goods
Retail - General Specialty Trade
Clubs, Bars & Event Venues
✓ Offered4
Guitar service and repairs
Guitar service, repairs and setups for electric and acoustic guitars and basses; maintenance, adjustments, fretwork, electronics work, pickup installation and custom modifications.
Audio engineering and studio support
Recording, mixing, support for home recording and in-ear monitoring in rehearsal rooms, plus FOH mixing for smaller concerts and installations.
Music club and bar
Music club with concerts, bar service, venue rental for events and event history; meeting place for musicians and music fans.
Guitar sales and second-hand guitars
Sale of new guitars, checked second-hand instruments and accessories, including brands such as ESP LTD, Kalli Guitars, Maybach Guitars and other used instruments.
Trust & reputation

ranQ Trust Score of GTM - Gitarrenservice & Tontechnik M. Minder GmbH: 3.5 out of 5.0

Trust Score3.5/ 5.0

Solid

x

Data basis 54% · As of October 2026

GTM - Gitarrenservice & Tontechnik M. Minder GmbH 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%
GTM - Gitarrenservice & Tontechnik M. Minder GmbH scores 40.1 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.0.012%
  • 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%
GTM - Gitarrenservice & Tontechnik M. Minder GmbH scores 83.3 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).83.322%
GTM - Gitarrenservice & Tontechnik M. Minder GmbH scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GTM - Gitarrenservice & Tontechnik M. Minder GmbH reaches a ranQ Trust Score of 3.5 out of 5.0 — rated «Solid». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Badenerstrasse 129
5466 Kaiserstuhl Ag

At a glance

Legal form
Limited Liability Company
UID
CHE-470.018.467
Founded
2026 · 0 years
Last commercial register change
January 22, 2026
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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