ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingStein ArChristian Koller Bedachungen
Christian Koller Bedachungen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Christian Koller Bedachungen is a roofing and façade construction company offering pitched roofs, flat-roof waterproofing, façade cladding, roof windows and roof maintenance services. Work includes installations using tiles, fiber-cement (Eternit) and natural slate, waterproofing with bituminous systems, EPDM and liquid-applied membranes, manufacture of smooth wooden shingles in spruce and larch, and licensed wasp control.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered3
Roofing
Pitched roofs with tiles, fibre-cement and natural slate; flat-roof waterproofing with bitumen, EPDM and liquid plastics; roof windows and pitched-roof service.
Facade construction
Facades with shingles and fibre-cement as well as manufacture of smooth shingles in spruce and larch.
Wasp control
Wasp control with recognised specialist approval.
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.0/5

Christian Koller Bedachungen

Trust & reputation

ranQ Trust Score of Christian Koller Bedachungen: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 88% · As of October 2026

Christian Koller Bedachungen scores 62.0 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.73.124%
  • 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.35.310%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Christian Koller Bedachungen scores 78.5 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%
Christian Koller Bedachungen 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%
Christian Koller Bedachungen scores 3.4 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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Christian Koller Bedachungen reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. The data basis is 88%, 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Christian Koller Bedachungen has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Christian Koller Bedachungen in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Christian Koller Bedachungen by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Christian Koller Bedachungen to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Horgenbühl 117
9063 Stein Ar
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-113.671.322
Founded
2007 · 19 years
Last commercial register change
January 8, 2026
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.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    JD
    JS Dachbau GmbH
    Stein Ar
    LH
    Langenegger Holzbau + Bedachungen AG
    Lutzenberg
    DZ
    Dach Zenuni GmbH
    Heiden
    BG
    Brunner GmbH
    Wald Ar
    FB
    Fitzi Bedachungen und Bauspenglerei AG
    Gais
    MA
    merz+egger ag
    Herisau
    G+
    giger + forrer gmbh
    Herisau
    ZB
    Züst Bedachungen AG
    Niederteufen