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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsFankhaus (Trub)Hans Wiedmer
Hans Wiedmer Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of services and works in the field of building envelopes, particularly in the areas of: roofing, sheet metal work, facades, lightning protection systems, and scaffolding. In addition, the company also offers services in the field of photovoltaics, including the planning, execution, and maintenance of photovoltaic systems.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered6
Roofing
Pitched roofs for new builds and conversions, repairs and renovations; including associated service, as well as advice, planning and execution.
Sheet metal work
Sheet metal work for new builds and conversions, repairs and renovations; including the associated services as well as advice, planning and execution.
Facades
Facade work for new builds and conversions, repairs and renovations; including planning, execution and related services.
Photovoltaic systems
Photovoltaic systems for the use of solar power; advice, planning, execution and service support for new builds and conversions, repairs and renovations.
Lightning protection systems
Lightning protection systems in connection with roofing and conversions; as part of the company’s craft-based offering.
Scaffolding
Scaffolding for work on roofs and facades as part of new builds and conversions, repairs and renovations.
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4.1/5

Hans Wiedmer

Trust & reputation

ranQ Trust Score of Hans Wiedmer: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Hans Wiedmer 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%
Hans Wiedmer 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%
Hans Wiedmer scores 81.7 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).81.722%
Hans Wiedmer scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hans Wiedmer 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

Hier entsteht die Karte
3557 Fankhaus (Trub)

At a glance

Legal form
Sole proprietorship
UID
CHE-107.223.777
Founded
1992 · 34 years
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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