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

About the company

The core activity of Eberhard Sanitär GmbH is the planning, installation and maintenance of sanitary technology, including: Sanitary installations in new and renovation projects, Installation of boilers and water heaters, Water softening and descaling, Installation of solar systems, Installation of central vacuum cleaners, Repairs and maintenance of sanitary technology, Planning and consulting for sanitary projects. The company also offers apprenticeships and service activities.

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Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered4
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4.3/5

Eberhard Sanitär GmbH

Plumbing / service line
Sanitary planning, sanitary installations, bathroom design as well as work on water and wastewater pipes for new builds and renovations; including repairs and minor heating work.
Solar thermal systems
Planning and installation of solar thermal systems for domestic hot-water preparation and heating support; plus small service work such as fault diagnostics, flushing and topping up with heat-transfer fluid.
Descaling
Descaling of boilers and water heaters as well as installation of water softening systems and water treatment systems to reduce limescale deposits and improve drinking-water quality.
Central vacuum systems
Planning and installation of central vacuum systems for private households, businesses and workshops with a central connection and pipe network.
Trust & reputation

ranQ Trust Score of Eberhard Sanitär GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Eberhard Sanitär GmbH scores 78.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.82.524%
  • 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.61.010%
  • 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%
Eberhard Sanitär 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%
Eberhard Sanitär GmbH scores 83.3 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).83.322%
Eberhard Sanitär GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Eberhard Sanitär GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 10 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 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Grafenaustrasse 10
8722 Kaltbrunn
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.510.704
Founded
2002 · 24 years
Last commercial register change
April 9, 2013
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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