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

About the company

Eigenmann AG Sanitär und Heizung is a company that provides sanitary and heating installations and services in the areas of roofing, façades, solar, bathrooms and renovations. Its offerings include project planning, maintenance contracts, on-site service and support from consultation through execution.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Bathroom
Bathroom renovations, partial renovations and bathroom conversions; planning with a 3D plan and cost estimate, installation of bathtub, shower, washbasin, WC and other sanitary fixtures.
Heating
Planning and installation of heating systems for single-family homes and commercial buildings; heat pumps, thermal solar systems, gas and oil heating systems, as well as wood, pellet and chip heating systems.
Maintenance service
Maintenance and inspection of roof, roof windows, sanitary installations, heating, façade and solar system; troubleshooting, cleaning, minor repairs and annual inspection.
Planning
Professional planning, energy consulting and building envelope refurbishment; interface and cost planning, initial consulting for renewable heating, condition analyses, reports and tender documents.
Service
Maintenance and repair work in the areas of heating, sanitary systems and roofing; quick help in emergencies such as a dripping tap, a clogged drain or heating faults.
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4.4/5

Eigenmann AG Sanitär und Heizung

Trust & reputation

ranQ Trust Score of Eigenmann AG Sanitär und Heizung: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Eigenmann AG Sanitär und Heizung scores 85.0 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.79.724%
  • 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.85.610%
  • 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.100.08%
Eigenmann AG Sanitär und Heizung scores 85.5 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.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%
Eigenmann AG Sanitär und 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%
Eigenmann AG Sanitär und Heizung scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Eigenmann AG Sanitär und Heizung reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 28 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 28 reviews across all connected sources

Sources
GGoogle4.728
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Industriestrasse 8
9300 Wittenbach
Opening hours
Mon
08:00 - 11:45, 13:30 - 17:00
Tue
08:00 - 11:45, 13:30 - 17:00
Wed
08:00 - 11:45, 13:30 - 17:00
Thu
08:00 - 11:45, 13:30 - 17:00
Fri
08:00 - 11:45, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.029.074
Founded
1975 · 51 years
Last commercial register change
July 14, 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.100.06%
  • 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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