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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkDiepoldsauGebrüder Federer AG
Gebrüder Federer AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Gebrüder Federer AG is a company for roofing and building-envelope work, offering roof installation and renovation, metal flashings and facade cladding. Services also include flat and pitched roofs, insulation, crane and scaffolding work, solar system installation, repair services and renovations/new builds.

AI-generated
Offering

Products & services

Industry:Sheet Metal Work
✓ Offered8
Roofing
Flat and pitched roofs, from advice and planning to professional execution, including inspections and roof renovations.
Sheet metal roofing
Sheet metal work on pitched and flat roofs, metal roof coverings, cladding of fixtures and roof windows, sealing of roofs and façades.
Facade construction
Facade cladding with substructure, made of metal, natural materials, slate, artificial slate or alu composite material; incl. insulation and sound protection.
Insulation
Thermal insulation for building envelopes to reduce heat loss, noise and energy costs; with glass wool, rock wool, hemp, polyurethane, straw, sheep wool or cellulose.
Solar installations
Installation of solar installations on the roof; mentioned on the website in connection with roofing work and energy generation.
Crane work
Crane work for lifting and transporting materials and building components, as well as for fastening and laying roof coverings and façade cladding.
Repair service
Analysis and remediation of damage to the building envelope; repairs in the areas of roofing, sheet metal work and façade cladding.
Renovations and new builds
Planning, consulting and execution of renovations and new builds, including roofing and façade work as well as handling grants.
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4.1/5

Gebrüder Federer AG

Trust & reputation

ranQ Trust Score of Gebrüder Federer AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Gebrüder Federer AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Gebrüder Federer AG scores 85.5 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.55.07%
Gebrüder Federer 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%
Gebrüder Federer AG scores 12.3 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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebrüder Federer AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Hohenemserstrasse 29
9444 Diepoldsau
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.939.527
Founded
2009 · 17 years
Last commercial register change
March 1, 2017
Employees
1 to 10
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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