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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingChurKrauer AG
Krauer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Krauer AG is the execution of roofing, flat roof, pitched roof and lightning protection work, as well as the provision of services in the field of facade construction, sealing, greening, solar systems, maintenance work and fall protection. The company offers creative and sustainable solutions for roofs from A to Z and cultivates a craft tradition.

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Offering

Products & services

Industry:RoofingSheet Metal Work
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3.9/5

Krauer AG

✓ Offered12
Sheet metal work
Roof sheeting, connections and sheet-metal ancillary work; sheet-metal profiles for roof edges, penetrations and surface cladding on pitched and flat roofs.
Flat roof
Flat roof constructions with permanent waterproofing, planning, material selection, installation and regular maintenance; also plastic roof, black roof, inverted roof and EPDM roof.
Pitched roof
Pitched roof constructions with coverings made of tiles, fibre cement, natural stone, corrugated Eternit and other materials; including planning, installation and maintenance.
Lightning protection
Lightning protection systems with external and internal lightning protection, air-termination conductors, down-conductors, earthing system, equipotential bonding and surge protection.
Façade construction
Façade constructions and façade cladding made of sheet metal or PREFA aluminium; including planning, material selection and careful workmanship.
General waterproofing
Liquid-plastic waterproofing for flat roofs as well as complex terminations and junctions; carried out conventionally by hand or over large areas with hot-spray and dosing equipment.
Solar systems
Solar installations for pitched and flat roofs, integrated or mounted; suitable for new construction and renovation, with integration into existing heating systems.
Roof greening
Extensive and intensive roof greening, EnergieGrünDach and retention solutions for new or to-be-renovated roofs.
Maintenance work
Inspections, maintenance, roof cleaning, snow removal and roof checks to extend the service life of roof structures and components.
Fall protection for flat roof
Fall protection systems for flat roofs; listed on the website as a separate service with a technical information PDF.
Fall protection for pitched roof
Fall protection systems for pitched roofs; published as a separate service with a technical information PDF.
PREFA long-life roof
PREFA aluminium roofing systems and façade cladding in different shapes and colours for classic roofs and individual façades.
Trust & reputation

ranQ Trust Score of Krauer AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Krauer AG scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
Krauer 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%
Krauer 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%
Krauer AG scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Krauer AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Kalchbühlstrasse 18
7000 Chur
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-116.380.401
Founded
2010 · 16 years
Last commercial register change
September 25, 2023
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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