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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingDomat/EmsDachbau Frei AG
Dachbau Frei AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Dachbau Frei AG is the execution of work related to the building envelope, particularly in the areas of: roofing work (pitched roof, flat roof), sheet metal work, facade work, installation of roof windows, installation of solar systems, sealing work, and repairs and renovations of building envelopes. The company thus offers comprehensive services for the construction, maintenance and renovation of building envelopes.

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Offering

Products & services

Industry:RoofingSheet Metal Work
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Dachbau Frei AG

Solar & Photovoltaics
✓ Offered6
Pitched roof
Pitched roofs for new builds, renovations and repairs; roof build-up with vapour barrier, thermal insulation, underlay, ventilation layer and coverings made from tiles, slate, sheet metal or solar systems.
Flat roof
Flat roofs for new builds, renovations and repairs; roof build-ups with vapour barrier, thermal insulation and waterproofing, plus rooftop terraces, flat roof windows and leak detection in case of water damage.
Sheet metal work
Gutters, downpipes, flashings, lightning protection, snow retention systems, bird deterrent systems and chimney cladding; plus metal facings and custom-made sheet metal connections.
Photovoltaic systems
Photovoltaic systems for new builds and existing buildings; installation and retrofitting of solar systems, as well as construction support with coordination, quality control and representation of the client’s interests.
Facades
Ventilated rainscreen facades with facade cladding, ventilation gap, insulation and substructure; made in wood, natural stone, metal sheet, fibre cement or solar modules.
Roof windows
Replacement and installation of roof windows (rooflights) for existing roofs and new builds; solutions for more daylight, ventilation, external roller blinds, shutters, sun shading and better use of space.
Trust & reputation

ranQ Trust Score of Dachbau Frei AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Dachbau Frei AG scores 69.3 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.72.524%
  • 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.61.010%
  • 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%
Dachbau Frei 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%
Dachbau Frei AG scores 83.3 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).83.322%
Dachbau Frei AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dachbau Frei 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 10 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 10 reviews across all connected sources

Sources
GGoogle4.610
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hofstättle 14
7013 Domat/Ems
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.731.803
Founded
2006 · 20 years
Last commercial register change
January 16, 2020
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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