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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementChurDorn Immobilien AG
Dorn Immobilien AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Dorn Immobilien AG is a company focused on building envelopes, offering metalwork, roofing and facade services. Its work includes flat and pitched roofs, photovoltaic installations and services for new construction, renovation and maintenance.

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Products & services

Industry:Property Management
✓ Offered6
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Dorn Immobilien AG

Building envelopes
New builds, renovations and maintenance of building envelopes; sheet metal work, roofing, façade construction and solar technology for pitched and flat roofs as well as façades.
Flat roof
Construction of flat roofs with roof extensions, waterproofing and insulation for new build, renovation and maintenance.
Pitched roof
Pitched roof work from the roof structure through the underlay to the shingles.
Façade construction
Facades for new build, renovation and maintenance, for design and climate control of the rooms.
Sheet metal work
Processing sheet metal, copper, zinc and chromed steel into cladding and roof finishes.
Photovoltaics
Photovoltaic systems on façades as well as on flat and pitched roofs for electricity generation for buildings.
Trust & reputation

ranQ Trust Score of Dorn Immobilien AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Dorn Immobilien AG scores 73.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.73.724%
  • 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.68.910%
  • 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.78.08%
Dorn Immobilien AG scores 67.5 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.58.012%
  • 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%
Dorn Immobilien AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Dorn Immobilien AG scores 51.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dorn Immobilien AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 out of 5 stars from 14 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
4.6
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle4.614
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Ringstrasse 35
7000 Chur
Opening hours
Mon
07:30 - 11:45, 13:30 - 17:00
Tue
07:30 - 11:45, 13:30 - 17:00
Wed
07:30 - 11:45, 13:30 - 17:00
Thu
07:30 - 11:45, 13:30 - 17:00
Fri
07:30 - 11:45, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-266.620.335
Founded
2022 · 4 years
Last commercial register change
August 26, 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.
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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