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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsFlumsStähli Othmar Heizung-Sanitär AG
Stähli Othmar Heizung-Sanitär AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stähli Othmar Heizung - Sanitär AG is the execution of building technical installations, particularly in the areas of heating and sanitation, as well as water supply for specific regions.

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Offering

Products & services

Industry:Solar & Photovoltaics
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Stähli Othmar Heizung-Sanitär AG

Sanitary installations
Planning, installation and repair of sanitary installations, sanitary fittings, water heaters, pipes, pressure boosting systems and rainwater use.
Heating systems
Planning, installation and replacement of all types of heating systems, including oil and gas heating, heat pumps, wood-fired units, solar thermal systems and underfloor heating.
Solar thermal systems
Planning and installation of solar thermal systems as part of heating and building services solutions.
Ventilation systems
Consulting, design, installation, maintenance and service of ventilation systems as part of building services projects.
Bathroom renovations
Coordination and execution of bathroom renovations, including free coordination of all trades and advice for new-build and conversion projects.
Heating refurbishments
Coordination and execution of heating refurbishments, including replacement of heating systems and work in new-build and conversion projects.
Boiler refurbishment
Services for boiler refurbishments in new-build and conversion projects, including consulting, planning, installation and service.
Maintenance and service
Maintenance, service and 24-hour emergency standby for sanitary, heating and building services systems.
Trust & reputation

ranQ Trust Score of Stähli Othmar Heizung-Sanitär AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Stähli Othmar Heizung-Sanitär AG scores 83.2 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.81.724%
  • 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.77.410%
  • 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%
Stähli Othmar Heizung-Sanitär AG scores 89.3 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.70.07%
Stähli Othmar Heizung-Sanitär 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%
Stähli Othmar Heizung-Sanitär AG scores 6.9 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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stähli Othmar Heizung-Sanitär AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 20 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
4.8
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle4.820
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Galserschstrasse 9a
8890 Flums
Opening hours
Mon
00:07 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.496.613
Founded
2002 · 24 years
Last commercial register change
October 6, 2023
Employees
11 to 20
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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