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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesHausen AgBayer Gebäudetechnik
Bayer Gebäudetechnik Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Bayer Gebäudetechnik provides building-services work covering heating, ventilation/air-conditioning and sanitary installations. Its services include planning, installation, maintenance and service for new builds, renovations and systems such as boilers, heat pumps, solar and control technology.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Sanitary installations
Design and install sanitary systems, including service, renovations, new builds and boiler service.
Ventilation & air conditioning
Ventilation and air conditioning systems for industry, business premises and smaller properties, including maintenance, new installations, conversions and service.
Heating
Heating systems for oil, gas, electric and air, including insulation, heat pumps, solar, control technology, heat recovery as well as maintenance, new installations, conversions and service.
Building services service orders
Service and maintenance work for sanitary systems, ventilation/air conditioning and heating in workshop and home.
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3.8/5

Bayer Gebäudetechnik

Trust & reputation

ranQ Trust Score of Bayer Gebäudetechnik: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Bayer Gebäudetechnik 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%
Bayer Gebäudetechnik 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%
Bayer Gebäudetechnik 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%
Bayer Gebäudetechnik scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bayer Gebäudetechnik reaches a ranQ Trust Score of 3.8 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.

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Location

Holzgasse 4
5212 Hausen Ag

At a glance

Legal form
Sole proprietorship
UID
CHE-116.379.349
Founded
2010 · 16 years
Last commercial register change
May 6, 2019
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

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