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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsWinterthurStähli Haustechnik AG
Stähli Haustechnik AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Stähli Haustechnik AG is the planning, installation, maintenance and servicing of building technology systems, particularly in the areas of sanitation, heating and ventilation. The company also provides consulting and implementation of projects in the field of building technology and is committed to sustainable and environmentally friendly solutions.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered4
Plumbing
Bathroom renovations, kitchen refurbishments, new-build installations, water descaling, and sanitary systems for commercial and hospitality settings; advice, design, installation, and connection of water and wastewater pipes.
Heating
Advisory, installation and replacement of heating systems; heat pumps, solar thermal, photovoltaics, and other heat generators such as wood-fired units, district heating, oil and gas boilers.
Ventilation
Bathroom extract and kitchen exhaust for fresh air, odour and fume extraction, as well as pleasant and clean indoor air.
Repair service
24/7 repair and service call-outs in the plumbing and heating sector; filter changes, descaling of boilers, water damage remediation, maintenance of heat generators and heat distribution systems.
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4.4/5

Stähli Haustechnik AG

Trust & reputation

ranQ Trust Score of Stähli Haustechnik AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Stähli Haustechnik 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.73.224%
  • 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.97.910%
  • 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.95.08%
Stähli Haustechnik AG scores 92.3 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.82.07%
Stähli Haustechnik AG scores 86.7 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).86.722%
Stähli Haustechnik AG scores 32.2 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 35.54.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Stähli Haustechnik AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 46 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 46 reviews across all connected sources

Sources
GGoogle4.546
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 8, 2023Media
Wirtschaft in Winterthur: Diese Firmen sind im Rennen um den KMU-Max
tagesanzeiger.ch

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Location

Gewerbestrasse 6
8404 Winterthur
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-107.152.249
Founded
1995 · 31 years
Last commercial register change
June 5, 2026
Employees
21 to 50
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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