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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRainWalther Gebäudetechnik AG
Walther Gebäudetechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Walther Gebäudetechnik AG provides building services including consultancy, planning, installation and maintenance of sanitary, heating and ventilation systems. Offerings include bathroom renovations with 3D visualizations, service interventions for clogged drains or faulty boilers, and tailored maintenance contracts.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered7
Sanitary installations
Sanitary installations for renovation and new-build projects, including planning, execution and professional implementation for building services and sanitary systems.
Bathroom renovation
Bathroom renovation with personal consultation, 3D visualisations and support via the bathroom planner as the first step toward calculating the new bathroom.
Service
Service work for blocked drains, leaking taps and defective boilers; rapid repair of damage by experienced service technicians.
Maintenance
Maintenance of sanitary and heating systems, including maintenance and upkeep work, descaling boilers, replacing filters and checking pressure.
Consulting
Personal and expert consulting for renovation and new-build projects, as well as for sanitary, heating and ventilation systems.
Planning
Complete and cost-efficient planning for renovation and new-build projects, as well as for building services, sanitary and system solutions.
Execution
Execution of renovation and new-build projects as well as implementation of building services, sanitary and systems work.
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4.1/5

Walther Gebäudetechnik AG

Trust & reputation

ranQ Trust Score of Walther Gebäudetechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Walther Gebäudetechnik AG scores 69.4 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.75.024%
  • 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.40.910%
  • 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.88.08%
Walther Gebäudetechnik 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%
Walther Gebäudetechnik AG scores 85.0 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).85.022%
Walther Gebäudetechnik AG scores 7.7 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 35.7.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Walther Gebäudetechnik AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Grossweid 33
6026 Rain
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.271.650
Founded
1988 · 38 years
Last commercial register change
March 18, 2024
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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