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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Consumer GoodsLiestalKlavierwerkstatt René Waldhauser GmbH
Klavierwerkstatt René Waldhauser GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of the company "Klavier-Werkstatt René Waldhauser" is the restoration, repair and maintenance of pianos, including shellac polishing and tuning. Additionally, the company offers the sale of pianos and organizes concerts and cultural projects in the workshop.

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Products & services

Industry:Repair of Consumer Goods
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4.1/5

Klavierwerkstatt René Waldhauser GmbH

✓ Offered4
Tuning
Piano and grand piano tunings, tailored to the instrument’s condition and needs; professional pitch and sound corrections.
Repairs
Repairs and overhauls of pianos and other instruments; assessment, comparison of options and decision support between renovation and disposal.
Shellac polishing
Shellac polishing as traditional surface finishing for older instruments; handcrafted lacquer build-up in many layers with a glossy finish.
Sales and purchase of pianos
Sale of instruments across different price ranges as well as purchase and valuation advice for pianos no longer needed.
Trust & reputation

ranQ Trust Score of Klavierwerkstatt René Waldhauser GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Klavierwerkstatt René Waldhauser 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.
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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%
Klavierwerkstatt René Waldhauser GmbH scores 79.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.92.512%
  • 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%
Klavierwerkstatt René Waldhauser GmbH scores 83.3 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).83.322%
Klavierwerkstatt René Waldhauser GmbH scores 65.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.65.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Klavierwerkstatt René Waldhauser GmbH 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

Benzburweg 28
4410 Liestal

At a glance

Legal form
Limited Liability Company
UID
CHE-366.502.825
Founded
2014 · 12 years
Last commercial register change
October 14, 2014
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%
    • Full methodology

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