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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesHorwGraf Sanitär Heizung AG
Graf Sanitär Heizung AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Graf Sanitär Heizung AG is the planning, installation, maintenance and repair of sanitary and heating systems for private households and companies. The company offers comprehensive solutions for sanitary projects and heating systems, including consulting, planning and execution, as well as a service for the maintenance and repair of existing systems.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
Plumbing
Plumbing projects, bathroom refurbishments, new-build installations and site utility lines; planning, installation and connection of cold and hot-water pipes as well as waste-water lines and sanitary fixtures.
Heating
Heating systems, consultation, execution and commissioning; heat pumps, wood-fired heating systems, lake-source energy and solar thermal, as well as planning with a heating calculator.
Service
Repair and maintenance work in the plumbing and heating sector; boiler descaling, inspection of safety devices, replacement of valves and pumps, as well as maintenance to preserve value.
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4.3/5

Graf Sanitär Heizung AG

Trust & reputation

ranQ Trust Score of Graf Sanitär Heizung AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Graf Sanitär Heizung AG scores 76.2 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.82.624%
  • 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.81.910%
  • 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.50.08%
Graf Sanitär Heizung AG 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%
Graf Sanitär Heizung AG 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%
Graf Sanitär Heizung AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Graf Sanitär Heizung AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 24 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
4.8
of 5

Aggregated from 24 reviews across all connected sources

Sources
GGoogle4.824
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Wegmattstrasse 39
6048 Horw
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
Corporation
UID
CHE-107.240.385
Founded
1986 · 40 years
Last commercial register change
September 4, 2024
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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