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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementSteinhausenOhnsorg Immobilien und Beteiligungen AG
Ohnsorg Immobilien und Beteiligungen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Ohnsorg Immobilien und Beteiligungen AG manufactures metal chimney caps and ventilation hoods and supplies related products such as ventilators, roof hoods and complete flat-roof systems. According to the website, products are produced in the company's own factory and some items carry TÜV certification.

AI-generated
Offering

Products & services

Industry:Property Management
✓ Offered4
Chimney caps
Chimney caps for stoves and fireplaces, in round or square designs, for flat and pitched roofs, in various materials and nominal diameters.
Roof ventilation caps
Roof ventilation caps for roof ventilation, suitable for flat and pitched roofs, in various designs, materials, nominal diameters, and with or without insulation.
Ventilation components
Ventilation components and custom-made exhaust hoods, including roof hoods, roof exits, discharge bends, and weather protection grilles.
Flat roof flashings
Flat roof flashings and welded flashings with standpipe for ventilation and exhaust solutions on flat roofs.
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4.3/5

Ohnsorg Immobilien und Beteiligungen AG

Trust & reputation

ranQ Trust Score of Ohnsorg Immobilien und Beteiligungen AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ohnsorg Immobilien und Beteiligungen AG scores 80.3 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.82.524%
  • 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.88.08%
Ohnsorg Immobilien und Beteiligungen 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%
Ohnsorg Immobilien und Beteiligungen 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%
Ohnsorg Immobilien und Beteiligungen AG scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ohnsorg Immobilien und Beteiligungen AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 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
4.9
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle4.914
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Knonauerstrasse 5
6312 Steinhausen
Opening hours
Mon
07:00 - 11:45, 13:00 - 17:00
Tue
07:00 - 11:45, 13:00 - 17:00
Wed
07:00 - 11:45, 13:00 - 17:00
Thu
07:00 - 11:45, 13:00 - 17:00
Fri
07:00 - 11:45, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.912.041
Founded
1965 · 61 years
Last commercial register change
July 17, 2015
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.100.06%
  • 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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