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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Consumer GoodsLangnau Am AlbisPiano Wolfensberger
Piano Wolfensberger Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Piano Wolfensberger is piano and grand piano service, which includes the following specific services: Tuning service: Tuning, cleaning of the interior and keyboard, overall inspection and regulation work; Revision: Overhaul of the mechanics, grinding of hammer heads, regulation; Restoration: Complete or partial restoration of the instrument, tailored to the customer's wishes; Climate optimization: Installation, commissioning and instruction of the system plus minor service during the tuning appointment. The company offers these services to private individuals and institutional customers and has specialized in the maintenance and care of pianos and grand pianos.

AI-generated
Offering

Products & services

Industry:Repair of Consumer Goods
✓ Offered4
Tuning service
Tuning of pianos and grand pianos, cleaning of the interior and the keyboard, minor adjustment work, overall inspection, as well as exterior cleaning and cleaning of the keys.
Revision
Mechanical minor revisions and extended revisions, including grinding the hammer crowns, overhauling the action, regulating, voicing, and replacing worn hammer heads and key coverings.
Restoration
Partial and full restoration of pianos and grand pianos, including dismantling of the instrument, repair of soundboard cracks, complete overhaul of the action and re-stringing.
Climate optimisation
Installation of the Piano Life Saver System® by Dampp-Chaser for humidity control inside the instrument, to protect components and to improve tuning stability.
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4.4/5

Piano Wolfensberger

Trust & reputation

ranQ Trust Score of Piano Wolfensberger: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Piano Wolfensberger scores 96.7 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.94.324%
  • 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.100.010%
  • 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.100.08%
Piano Wolfensberger scores 69.6 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.79.212%
  • 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%
Piano Wolfensberger 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%
Piano Wolfensberger scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Piano Wolfensberger reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 51 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
5
of 5

Aggregated from 51 reviews across all connected sources

Sources
GGoogle551
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Soodweg 3
8135 Langnau Am Albis

At a glance

Legal form
Sole proprietorship
UID
CHE-159.418.294
Founded
2018 · 8 years
Last commercial register change
August 28, 2018
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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