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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingThusisAF Dachtechnik AG
AF Dachtechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

AF Dachtechnik AG is a company offering roofing and sheet-metal services, covering project planning, new construction, renovation and maintenance of pitched and flat roofs. Its services include metalwork, building drainage, façade cladding, lightning protection and the planning and installation of solar systems.

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Offering

Products & services

Industry:Roofing
✓ Offered3
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AF Dachtechnik AG

Sheet metal work
Advice and design, sheet metal processing, building drainage, roof edge constructions, metal roofs, flashings, window sills, external lightning protection work as well as façade cladding and thermal insulation.
Pitched roof
Advice and design, new builds and renovations, maintenance and repair work, roof coverings, under-roof membranes, vapour barriers, thermal insulation, roof windows, roof hatches, safety and snow retention devices.
Flat roof
Advice and design, new builds and renovations, maintenance and repair work, waterproofing, vapour barriers, thermal insulation, walkable surfaces, green roofs, light elements, smoke and heat venting, and safety devices.
Trust & reputation

ranQ Trust Score of AF Dachtechnik AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

AF Dachtechnik AG scores 77.7 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.82.024%
  • 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.67.110%
  • 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%
AF Dachtechnik 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%
AF Dachtechnik 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%
AF Dachtechnik AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

AF Dachtechnik AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 13 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
4.9
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.913
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Compognastrasse 15
7430 Thusis

At a glance

Legal form
Corporation
UID
CHE-107.026.024
Founded
1993 · 33 years
Last commercial register change
August 5, 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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