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

About the company

The core activity of Rudolf Wyttenbach GmbH is the planning, consulting and implementation of rainwater and wastewater systems, including the storage, infiltration, retention and use of rainwater for various purposes such as garden irrigation, toilet flushing, washing machines and general service water. The company also offers products and services for the storage of spring water, drinking water and wastewater, as well as the installation of pumps and filters.

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Products & services

Industry:Plumbing & Building Services
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4.0/5

Rudolf Wyttenbach GmbH

✓ Offered5
Rainwater harvesting
Rainwater harvesting for garden irrigation, WC flushing, washing machine and general non-potable water; storage underground or above-ground.
Spring water / drinking water
Spring water and drinking water storage, certified for drinking water storage, with individual dimensioning according to consumption and infeed.
Infiltration / retention
Infiltration, retention and drainage in various variants with or without use of rainwater.
Wastewater systems
Storage of wastewater, sewage and faeces in corresponding tanks and systems.
Pumps and controls
Pumps and controls for domestic supply, garden systems, swimming pools, wastewater and pumping/lifting stations.
Trust & reputation

ranQ Trust Score of Rudolf Wyttenbach GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Rudolf Wyttenbach GmbH scores 54.4 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.54.224%
  • 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.27.910%
  • 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%
Rudolf Wyttenbach GmbH scores 83.0 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%
Rudolf Wyttenbach 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%
Rudolf Wyttenbach GmbH scores 65.7 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 35.65.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rudolf Wyttenbach GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.0 out of 5 stars from 2 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
3
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle32
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bolacker 2
4563 Gerlafingen
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-108.187.747
Founded
2003 · 23 years
Last commercial register change
January 29, 2009
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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