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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingAlpnach DorfW. Durrer, Dach und Wand AG
W. Durrer, Dach und Wand AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of W. Durrer Dach & Wand AG is the provision of services in the field of roofing and wall work, including: facade work, flat and pitched roof work, photovoltaic systems, and sheet metal work. The company thus offers comprehensive solutions for the needs of builders and renovators in the field of roofing and walls.

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Offering

Products & services

Industry:RoofingSheet Metal Work
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W. Durrer, Dach und Wand AG

Solar & Photovoltaics
✓ Offered4
Flat and pitched roof works
Bituminous and plastic roof sealing, roof greening, walkable slab flooring, underlay roofing works, thermal insulation and roof coverings with tiles, Eternit and sheet metal.
Facade works
Facade claddings, shingle work, Eternit cladding, metal facades and thermal insulation around facades, including on-site advice.
Sheet metal works
Sheet metal works with copper, chromnickel steel, aluminium and copper titanium zinc; planning of details as required.
Photovoltaic systems
Turnkey photovoltaic and thermal systems, as in-roof, on-roof, facade element or flat-roof solutions, in cooperation with a partner.
Trust & reputation

ranQ Trust Score of W. Durrer, Dach und Wand AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

W. Durrer, Dach und Wand AG scores 66.5 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.65.024%
  • 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.52.910%
  • 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%
W. Durrer, Dach und Wand AG scores 89.3 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.70.07%
W. Durrer, Dach und Wand AG 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%
W. Durrer, Dach und Wand AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

W. Durrer, Dach und Wand AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 7 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
4.3
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.37
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Industriestrasse 18
6055 Alpnach Dorf
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.741.908
Founded
1978 · 48 years
Last commercial register change
December 6, 2021
Employees
11 to 20
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.
100.0
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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