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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsUetendorfKeller + Partner Sanitär und Heizungen GmbH
Keller + Partner Sanitär und Heizungen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Keller & Partner GmbH is the provision of services in the field of building technology, particularly in the areas of plumbing, heating, solar and repairs, as well as the planning and implementation of bathroom projects.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered4
Plumbing
Plumbing solutions for new builds, conversions and renovations; bathrooms and sanitary installations, water lines and fittings, consultation, planning and expert execution.
Heating
Replacement of heating systems and new heating installations, heat pumps and efficient heating solutions, heating systems for new builds, renovation of existing systems, as well as planning, installation and commissioning.
Planning and consulting
Planning and consulting for plumbing and heating projects, support from the first planning phase through to execution and handover.
Service and maintenance
Repairs, maintenance and reliable service for plumbing and heating systems.
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4.1/5

Keller + Partner Sanitär und Heizungen GmbH

Trust & reputation

ranQ Trust Score of Keller + Partner Sanitär und Heizungen GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Keller + Partner Sanitär und Heizungen GmbH scores 70.7 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.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.95.08%
Keller + Partner Sanitär und Heizungen 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%
Keller + Partner Sanitär und Heizungen 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%
Keller + Partner Sanitär und Heizungen GmbH scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Keller + Partner Sanitär und Heizungen GmbH 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.

Knowledge

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Comparisons

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Location

Dorfstrasse 72
3661 Uetendorf

At a glance

Legal form
Limited Liability Company
UID
CHE-100.700.173
Founded
2000 · 26 years
Last commercial register change
March 31, 2026
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.88.06%
  • 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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