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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsFulenbachBaumann Haustechnik GmbH
Baumann Haustechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Baumann Haustechnik GmbH encompasses the planning, installation and maintenance of building technology systems, including heating, plumbing, metalwork, electrical installations, photovoltaics, ventilation systems, central vacuum cleaners and chimney construction. Additionally, the company operates a bathroom exhibition (BadExpo) and thus also offers services in the area of bathroom planning and equipment.

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Products & services

Industry:Solar & Photovoltaics
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4.3/5

Baumann Haustechnik GmbH

8
Photovoltaics
Roof-mounted and roof-integrated photovoltaic systems, including planning and turnkey realisation from A to Z, with battery integration or hot-water generation from surplus energy.
Heating
Heating systems with heat pumps, wood heating systems, and gas systems in combination with solar systems, as well as underfloor heating for heating or cooling.
Plumbing
Sanitary installations for new builds and renovations, including sanitary facilities, rainwater systems, and water treatment systems.
Sheet-metal roofing
Sheet-metal roofing work for flat and pitched roofs, including planning, execution, repairs, maintenance, and lightning protection systems.
Electrical installation
Electrical installations for systems of any type, including conventional installations, lighting, bus systems, radio controls, LAN, multimedia, and alarm systems.
Ventilation systems
Ventilation systems for comfort ventilation and commercial buildings, including controlled ventilation, heat recovery, fresh-air supply, and pollen filters.
Central vacuum systems
Central vacuum systems with constant suction power, low maintenance, and special brushes for pet hair.
Chimney construction
Chimney systems with consultation and project planning, including fire-safety assessments.
Trust & reputation

ranQ Trust Score of Baumann Haustechnik GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Baumann Haustechnik GmbH scores 74.2 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.65.024%
  • 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.79.710%
  • 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.95.08%
Baumann Haustechnik GmbH scores 91.7 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.90.07%
Baumann Haustechnik GmbH 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%
Baumann Haustechnik GmbH scores 13.4 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 35.13.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Baumann Haustechnik GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.3 out of 5 stars from 22 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
4.3
of 5

Aggregated from 22 reviews across all connected sources

Sources
GGoogle4.322
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Industrie Allmend 31
4629 Fulenbach

At a glance

Legal form
Limited Liability Company
UID
CHE-109.396.259
Founded
2008 · 18 years
Last commercial register change
July 30, 2020
Employees
51 to 100
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.
88.0
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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