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

About the company

The core activity of Elsener AG is the planning, consulting, installation and maintenance of sanitary and heating systems for various types of buildings, including residential, service and industrial buildings. This also includes the installation of thermal solar systems and the provision of spare parts and accessories for building technology.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered9
Sanitary installations
Sanitary systems for new builds and renovations, sanitary installations for single- and multi-family houses as well as commercial, industrial and sports buildings, including installation and execution.
Bathroom renovations
Advisory, planning and execution of bathroom renovations, from analyzing customer needs to implementing renovations and refurbishment projects.
Heating installations
Heating systems for refurbishments, conversions and new builds, including evaluation, planning, installation and commissioning of various heating systems.
Heat pumps
Delivery and installation of heat pumps for new builds or to replace existing heating systems using renewable energy.
Wood heating systems
Delivery and installation of wood-fired heating systems such as pellet, chip and log-fired heaters.
Thermal solar systems
Installation of thermal solar systems and the associated equipment in the heating room for domestic hot water and heating support.
Maintenance service and upkeep
Regular maintenance, inspections and upkeep for sanitary and heating systems, as well as service to ensure long-term operation.
Planning and consulting
Overall planning, coordination of building services systems, advice on solutions, quotations and project implementation for sanitary and heating projects.
Sanitary shop for spare parts and accessories
Bathroom and sanitary shop with spare parts and accessories for building services, including accessories for the bathroom and laundry area.
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4.4/5

Elsener AG, Sanitär-Heizung

Trust & reputation

ranQ Trust Score of Elsener AG, Sanitär-Heizung: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Elsener AG, Sanitär-Heizung scores 81.2 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.84.824%
  • 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.67.110%
  • 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%
Elsener AG, Sanitär-Heizung scores 89.3 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.70.07%
Elsener AG, Sanitär-Heizung 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%
Elsener AG, Sanitär-Heizung scores 11.7 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 35.11.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Elsener AG, Sanitär-Heizung reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 13 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 13 reviews across all connected sources

Sources
GGoogle513
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Knonauerstrasse 56
6330 Cham
Opening hours
Mon
08:00 - 12:00, 13:15 - 17:00
Tue
08:00 - 12:00, 13:15 - 17:00
Wed
08:00 - 12:00, 13:15 - 17:00
Thu
08:00 - 12:00, 13:15 - 17:00
Fri
08:00 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.393.792
Founded
1983 · 43 years
Last commercial register change
January 11, 2022
Employees
11 to 20
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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