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

About the company

Rupp Haustechnik Sanitär GmbH provides building services and sanitary installations. The company plans and executes new-build and renovation projects (bathrooms, kitchens) and offers drinking‑water and wastewater systems, rainwater and roof drainage, gas and compressed‑air installations, as well as repair and refurbishment services.

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Offering

Products & services

Industry:Plumbing & Building Services
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4.2/5

Rupp Haustechnik Sanitär GmbH

✓ Offered3
Conversions
Sanitary conversions for wet rooms, bathrooms and kitchens, comprehensive execution from A to Z, renovation of specific services as well as complete renovations for single-family and multi-family houses.
New builds
Building services and sanitary installations for new builds, listed as a separate area of service on the company’s website.
Repairs
Service work and repairs in the sanitary sector, including expert advice and support with sanitary problems.
Trust & reputation

ranQ Trust Score of Rupp Haustechnik Sanitär GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Rupp Haustechnik Sanitär GmbH scores 75.6 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.77.024%
  • 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.70.510%
  • 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.78.08%
Rupp Haustechnik Sanitär GmbH scores 78.5 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.89.612%
  • 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%
Rupp Haustechnik Sanitär GmbH 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%
Rupp Haustechnik Sanitär GmbH scores 11.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.11.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rupp Haustechnik Sanitär GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 15 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
4.7
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.715
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schaffhauserstrasse 37
8400 Winterthur

At a glance

Legal form
Limited Liability Company
UID
CHE-183.519.760
Founded
2015 · 11 years
Last commercial register change
April 17, 2015
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.
88.0
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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