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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIndustryGeneral Goods ProductionAarauGitarrenbau B. Wittmer
Gitarrenbau B. Wittmer Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Wittmer Gitarrenbau is the manufacture of guitars.

AI-generated
Offering

Products & services

Industry:General Goods Production
✓ Offered4
Construction of classical concert guitars
Concert guitars in various mensures and sizes, with a selection of wood types and finishes; custom-made acoustic and electric guitars.
Guitar repairs
Gluing cracks and breaks, re-gluing the bridge, adjusting string action, replacing frets, partial or full refinishings, and repairing or modifying electronics.
Guitar restoration
Restorations of historical guitars, including instruments from the 19th century and other restoration projects on old guitars.
Sale of student guitars and accessories
Student guitars, children's electric guitars, amplifiers and standard accessories in the studio.
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4.1/5

Gitarrenbau B. Wittmer

Trust & reputation

ranQ Trust Score of Gitarrenbau B. Wittmer: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Gitarrenbau B. Wittmer 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%
Gitarrenbau B. Wittmer 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%
Gitarrenbau B. Wittmer 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%
Gitarrenbau B. Wittmer scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gitarrenbau B. Wittmer 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 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

Laurenzenvorstadt 89
5000 Aarau

At a glance

Legal form
Sole proprietorship
UID
CHE-107.986.036
Founded
1992 · 34 years
Last commercial register change
October 25, 2006
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.
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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