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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingEngwilenR. Dähler AG
R. Dähler AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of R. Dähler AG encompasses a wide range of services in the construction sector, particularly: * Roofing work (pitched roofs, flat roofs, roof maintenance and repairs) * Timber construction (timber construction planning, timber construction work) * Metal construction (sheet metal work, lightning protection) * Scaffolding construction * Façade construction * Hall, commercial and agricultural construction * Crane work and transportation * Photovoltaics (PV systems) * Rental and sale of equipment and vehicles Thus, the company offers a comprehensive range of services for the construction and maintenance of buildings and facilities.

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Products & services

Industry:Roofing
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4.2/5

R. Dähler AG

Sheet Metal Work
Solar & Photovoltaics
✓ Offered9
Pitched roof
Pitched roofs for new builds, conversions, extensions and renovation; roof build-up, insulation, covering materials made of clay, wood, stone, fibre cement or profiled sheet metal.
Flat roof
Flat roofs for new construction and conversions; walkable and non-walkable roofs, structures with substrate or gravel, wooden terraces, green roofs and solar panel supporting surfaces.
Sheet metal work
Building sheet metal work for roofs, facades, trims and coverings; metal roofs, metal facades, gutters, downpipes, chimney and ventilation trims, special fabrications.
Photovoltaics
Photovoltaic systems for buildings; in-roof, flat-roof, roof-mounted and façade systems, advice on subsidies as well as planning, commissioning, monitoring and maintenance.
Roof maintenance & repairs
Roof and façade maintenance with regular inspections, maintenance on permanent order, repairs, replacement of defective tiles as well as inspection of gutters, pipes and roof windows.
Lightning protection
Lightning protection systems for buildings and people; planning, installation, maintenance and expert protection using air-termination systems, down conductors, earthings and potential equalisation.
Timber construction
Timber construction for roof trusses, dormers, balconies, renovations and extensions; individual planning, timber fabrication, precisely fitted components and blown-in insulation work.
Timber construction planning
Timber construction planning and site management with project support, building surveys, 3D point clouds, floor plans, sections, facades and BIM models.
Scaffolding
Scaffolding for construction and renovation work on the roof and building envelope.
Trust & reputation

ranQ Trust Score of R. Dähler AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

R. Dähler AG scores 73.4 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.73.724%
  • 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.68.910%
  • 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.78.08%
R. Dähler AG scores 87.2 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.95.212%
  • 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%
R. Dähler AG scores 85.0 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).85.022%
R. Dähler AG scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

R. Dähler AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 14 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
4.6
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle4.614
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schuelacker 5
8564 Engwilen
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:30
Tue
07:00 - 12:00, 13:00 - 17:30
Wed
07:00 - 12:00, 13:00 - 17:30
Thu
07:00 - 12:00, 13:00 - 17:30
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-398.201.641
Founded
2013 · 13 years
Last commercial register change
February 23, 2024
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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