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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingSchafisheimKilian Friederich GmbH
Kilian Friederich GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Kilian Friederich GmbH is the construction and renovation of roofs and facades, including the refurbishment and renovation of building envelopes.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered9
Roofing
Pitched roofs and roof refurbishments, including building permit application, planning and on-time completion; supplemented by roof windows, roof window replacement and roof window accessories.
Facade construction
Facade construction and facade refurbishment for buildings, including execution on the building envelope and work with aluminium window and door frames.
Building envelope
Building envelope refurbishment with insulation of roof, façade, screed floor and cellar ceiling, as well as aluminium window and door frames.
Natural slate
Natural slate roof and natural slate façade for new-build and refurbishment projects.
Timber construction
Attic conversions, roof trusses, dormers, as well as carport and shelter work in connection with roof structures.
Repairs and maintenance
Roof repairs, façade repairs, roof window repairs, roof service work, and cleaning of roofs and façades.
Crane and lifting platform work
Crane and lifting platform work for installation, repair and refurbishment work on roof and façade.
Chimney refurbishments
Refurbishment of chimneys as part of roof and building envelope works.
Demolition works
Demolition work associated with conversion, refurbishment and building envelope projects.
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4.3/5

Kilian Friederich GmbH

Trust & reputation

ranQ Trust Score of Kilian Friederich GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Kilian Friederich GmbH scores 87.8 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.91.324%
  • 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.87.310%
  • 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%
Kilian Friederich GmbH scores 83.0 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.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%
Kilian Friederich GmbH 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%
Kilian Friederich GmbH scores 18.6 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 35.37.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Kilian Friederich GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 30 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 30 reviews across all connected sources

Sources
GGoogle530
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 11, 2025Media
Kilian Friederich GmbH spannt mit Bernhard Polybau AG zusammen
aarauer-nachrichten.ch

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Location

Tannenweg 4
5503 Schafisheim
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 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.072.124
Founded
2001 · 25 years
Last commercial register change
September 23, 2024
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.
88.0
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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