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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryErschwilWohlgemuth Dach AG
Wohlgemuth Dach AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Wohlgemuth Dach AG is a metalwork (spenglerei) and timber-construction company providing roof and façade work as well as timber-construction services. Its services include project planning, detailed quotations, organisation and execution, including energy-focused roof and façade renovations and element-based timber construction. The company also offers telescopic-handler rental with operator and coordinates additional trades through a regional partner network.

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Offering

Products & services

Industry:Timber Construction & Carpentry
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3.9/5

Wohlgemuth Dach AG

✓ Offered7
Sheet metal work
Sheet metal work on and around the roof, metal façades, flat roofs, as well as special custom-made products and individual details according to customer requests.
Timber construction
Timber construction for new builds, conversions and renovation works; in particular energy-focused roof and façade renovations as well as projects in prefabricated element construction.
Roof and façade renovation
Renovation work on roofs and façades, with a focus on energy-efficient solutions in timber construction and sheet metal work.
Metal façades
Execution of metal façades in a modern, cubic building style, including craft fabrication and special customer requirements.
Flat roofs
Work on flat roofs within sheet metal work, including execution and special solutions for modern building forms.
Prefabricated element construction
Prefabricated element construction with preliminary work in the workshop hall, for weather-independent realization of timber construction projects.
Telehandler rental with operator
Rental of a telehandler with operators for work on the construction site, such as storm damage or transporting materials up to the roof.
Trust & reputation

ranQ Trust Score of Wohlgemuth Dach AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

Wohlgemuth Dach AG scores 60.4 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.70.824%
  • 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.27.910%
  • 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.70.08%
Wohlgemuth Dach AG scores 85.0 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.83.012%
  • 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.82.07%
Wohlgemuth Dach AG scores 86.7 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).86.722%
Wohlgemuth Dach AG scores 15.2 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 35.17.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Wohlgemuth Dach AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 8, 2025Media
Putsch-Versuch bei den regionalen Haustechnikern
primenews.ch

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Location

Wydenmattstrasse 21
4228 Erschwil
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-146.881.145
Founded
2017 · 9 years
Last commercial register change
July 11, 2023
Employees
21 to 50
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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