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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesHedingenStierli Haustechnik Konzepte GmbH
Stierli Haustechnik Konzepte GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stierli GmbH is the provision of services in the field of water, particularly as a water specialist.

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Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered8
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4.3/5

Stierli Haustechnik Konzepte GmbH

Sanitary installations
Sanitary installations for single- and multi-family houses, complex building-services installations, advice for construction projects and commissioning.
Heating systems
Consulting, planning, installation, commissioning and maintenance of heating systems for new builds, conversions and refurbishments.
Ventilation
Controlled apartment ventilation and room ventilation for living, working and residential spaces, focusing on fresh air and energy savings.
Utility lines
Construction and maintenance of utility lines, pipelines and water intakes for public and private water supply systems.
Project planning
Project engineering, planning and scheduling for new builds and conversions, with tailored offers and support through implementation.
Bathroom renovations
Bathroom renovations and planning of wellness bathrooms for new builds and conversions, including advice and execution of sanitary installations.
Renewable energy
Solutions in the field of renewable energy related to heating and building services.
Rainwater harvesting
Rainwater use as part of the company's building services and water specialties.
Trust & reputation

ranQ Trust Score of Stierli Haustechnik Konzepte GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Stierli Haustechnik Konzepte GmbH scores 84.5 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.83.924%
  • 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.73.510%
  • 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.100.08%
Stierli Haustechnik Konzepte GmbH scores 73.9 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.70.212%
  • 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%
Stierli Haustechnik Konzepte GmbH scores 83.3 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).83.322%
Stierli Haustechnik Konzepte GmbH 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

Stierli Haustechnik Konzepte GmbH 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 17 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 17 reviews across all connected sources

Sources
GGoogle4.917
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Widenacherstrasse 24
8908 Hedingen
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:00
Tue
07:15 - 12:00, 13:15 - 17:00
Wed
07:15 - 12:00, 13:15 - 17:00
Thu
07:15 - 12:00, 13:15 - 17:00
Fri
07:15 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-479.452.522
Founded
2020 · 6 years
Last commercial register change
January 28, 2020
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.88.06%
  • 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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