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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesAlpthalW. Steiner Sanitäre Anlagen AG
W. Steiner Sanitäre Anlagen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

W. Steiner Sanitäre Anlagen AG carries out planning, installation and maintenance of sanitary and heating systems, and provides water-supply management, pipeline construction, snow clearance and emergency services. The company offers customer consultation, installation and service work, acts as Brunnenmeister for the local water network and uses trenchless pipe-laying techniques.

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Products & services

Industry:Plumbing & Building Services
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4.0/5

W. Steiner Sanitäre Anlagen AG

✓ Offered7
Sanitary installations
Sanitary installations, repairs, service and maintenance for bathrooms, WCs, kitchens, utility rooms, as well as office, commercial and public buildings.
Heating systems
Planning, ordering, installation and advice for new heating systems, including modern systems and floor-heating-related installations.
New builds and conversions
Sanitary work for new builds and conversions, bathroom renovations, as well as coordination and overall planning with partner companies and other trades.
Water supply
Operation as wellmaster for water supply networks and reservoirs, drinking water supply, pipeline repairs, pipeline installation and spring capture.
Pipeline construction
Trenchless laying of pipelines using special tools, including parallel installation of two lines up to 63 mm in diameter.
Snow clearing
Snow clearing in the Brunni Alpthal region with a snow plough and snow blower for rural roads, residential streets, forest roads and parking lots.
Maintenance / Emergencies
Quick help for blocked toilets and shower drains, defective boilers and other breakdowns.
Trust & reputation

ranQ Trust Score of W. Steiner Sanitäre Anlagen AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

W. Steiner Sanitäre Anlagen AG scores 69.7 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.78.124%
  • 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.49.510%
  • 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.70.08%
W. Steiner Sanitäre Anlagen AG scores 76.6 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.79.212%
  • 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.55.07%
W. Steiner Sanitäre Anlagen 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%
W. Steiner Sanitäre Anlagen AG scores 3.4 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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

W. Steiner Sanitäre Anlagen AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 6 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
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Lümpenenstrasse 20
8849 Alpthal
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-184.150.203
Founded
2018 · 8 years
Last commercial register change
July 6, 2018
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.
100.0
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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