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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringWichtrachSteiner Wichtrach Haustechnik AG
Steiner Wichtrach Haustechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Steiner Wichtrach Haustechnik AG includes the sale and installation of home technology systems, including heating installations, sanitary facilities, plumbing work, lightning protection systems and bathroom renovations. Additionally, the company also offers household and gift items.

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Offering

Products & services

Industry:Technical Consulting & EngineeringPlumbing & Building Services
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Steiner Wichtrach Haustechnik AG

✓ Offered8
Sanitary installations
Sanitary installations for new builds, conversions and renovations; pipes, connections and installations for water and waste water.
Heating systems
Heating systems for new builds, conversions and renovations; planning and installation of heating systems and associated installations.
Sheet metal work
Sheet metal work on roofs and building envelopes; metal forming and assembly work in the field of sheet metal work.
Comfort ventilation systems
Comfort ventilation systems for residential and commercial buildings; installation of ventilation systems for controlled air circulation.
Utility lines
Utility lines for buildings and sites; laying and connection of pipes in the infrastructure and building services sector.
Central vacuum systems
Central vacuum systems for residential and commercial properties; planning, installation and integration into existing building services.
Bathroom planning
Bathroom planning for new builds and conversions; design of bathrooms and coordination of the sanitary installations.
Crawler work platform
Crawler work platform for work at height; use as an additional service in the building services and installation sector.
Trust & reputation

ranQ Trust Score of Steiner Wichtrach Haustechnik AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Steiner Wichtrach Haustechnik AG scores 73.4 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.56.924%
  • 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.95.710%
  • 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%
Steiner Wichtrach Haustechnik AG scores 85.5 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%
Steiner Wichtrach Haustechnik 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%
Steiner Wichtrach Haustechnik AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Steiner Wichtrach Haustechnik AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 42 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
4.1
of 5

Aggregated from 42 reviews across all connected sources

Sources
GGoogle4.142
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hängertstrasse 3
3114 Wichtrach
Opening hours
Mon
08:00 - 12:00, 13:30 - 18:30
Tue
08:00 - 12:00, 13:30 - 18:30
Wed
08:00 - 12:00, 13:30 - 18:30
Thu
08:00 - 12:00, 13:30 - 18:30
Fri
08:00 - 12:00, 13:30 - 18:30
Sat
08:00 - 16:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.794.916
Founded
1972 · 54 years
Last commercial register change
October 23, 2023
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.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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