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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureScaffoldingWilen B. NeunfornWiesmann Bedachungen GmbH
Wiesmann Bedachungen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Wiesmann Bedachungen GmbH provides roofing services for pitched roofs and façades, carries out roof renovations and installs roof windows in new and existing roof areas. The company also installs solar systems using a telescopic lift and constructs various under-roof layers.

AI-generated
Offering

Products & services

Industry:ScaffoldingRoofing
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4.2/5

Wiesmann Bedachungen GmbH

✓ Offered3
Pitched roof work
Pitched roofs, roof renovations and various underlays for new and existing roof surfaces; including installation of roof windows and mounting solar systems with a telescopic forklift.
Facade work
Facade work for building envelopes, listed as a separate service area alongside roof work.
Installation of solar systems
Installation of solar systems with a telescopic forklift on roof surfaces and in connection with roof work.
Trust & reputation

ranQ Trust Score of Wiesmann Bedachungen GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

Wiesmann Bedachungen GmbH scores 73.2 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.78.124%
  • 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.49.510%
  • 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.88.08%
Wiesmann Bedachungen GmbH scores 83.0 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%
Wiesmann Bedachungen 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%
Wiesmann Bedachungen GmbH scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wiesmann Bedachungen GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Stammheimerstrasse 18
8525 Wilen B. Neunforn

At a glance

Legal form
Limited Liability Company
UID
CHE-105.164.402
Founded
1999 · 27 years
Last commercial register change
December 16, 2025
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.
88.0
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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