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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingLandquartRoland Gantenbein AG
Roland Gantenbein AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Roland Gantenbein AG is a company for metalworking, roofing and lightning protection. It produces sheet-metal components in its workshop and provides services including pitched and flat roof coverings, waterproofing, drainage and gutter solutions, roof inspections and repairs, and the installation and refurbishment of lightning protection systems.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered3
Roofing
Thermal insulation for new builds and renovations, covering pitched roofs and sealing flat roofs, installation of roof windows, roof inspections and roof maintenance.
Sheet metal work
Sheet metal work for pitched and flat roofs, drainage systems, roof windows, chimney and exhaust flashings, dormer cladding, double-lock seam cladding, and repairs.
Lightning protection
Consulting, installation and renovation of lightning protection systems for buildings, with discharge of the lightning current to earth and protection against fires and damage.
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4.0/5

Roland Gantenbein AG

Trust & reputation

ranQ Trust Score of Roland Gantenbein AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Roland Gantenbein AG scores 62.1 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.75.024%
  • 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.40.910%
  • 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.50.08%
Roland Gantenbein 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%
Roland Gantenbein 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%
Roland Gantenbein AG scores 11.1 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 35.11.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roland Gantenbein AG 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 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Waldau
7302 Landquart

At a glance

Legal form
Corporation
UID
CHE-396.154.396
Founded
2010 · 16 years
Last commercial register change
December 23, 2010
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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