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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Consumer GoodsZurichJürg Winiger
Jürg Winiger Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of the company "Jürg Winiger, Klavier- und Flügelatelier" is the revision, tuning and sale of pianos and grand pianos.

AI-generated
Offering

Products & services

Industry:Repair of Consumer Goods
✓ Offered4
Revisions
Overhauls and revise the action mechanisms, chip and glue the soundboards, insert tuning blocks, double the bridges, and replace strings, hammer heads and felts.
Piano tuning
Tuning and fine regulation of pianos, grand pianos, harpsichords and spinets; cleaning and checks during the tuning appointment, and preparing grand pianos for concerts.
Sale of pianos and grand pianos
Sale of pianos and grand pianos by August Förster, including try-outs in the workshop, selection, repeated tuning before delivery and optional headphone systems.
Piano accessory sales
Sale of piano benches and chairs, piano lamps, PianoLifeSaver, castors, coasters and other accessories.
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4.1/5

Jürg Winiger

Trust & reputation

ranQ Trust Score of Jürg Winiger: 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.

Jürg Winiger 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%
Jürg Winiger scores 78.5 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.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%
Jürg Winiger 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%
Jürg Winiger scores 6.9 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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Jürg Winiger 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

Ankerstrasse 16 a
8004 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-105.103.748
Founded
1999 · 27 years
Last commercial register change
April 27, 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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