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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsIpsachGfeller AG
Gfeller AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Gfeller AG Ipsach is the planning, installation and maintenance of heating and sanitary systems as well as other installation work in the field of building technology.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered7
Planning and installation of heating systems
Heating systems for oil, gas and wood; heat distribution with radiators and underfloor heating; solar systems, heat pumps with heat storage, heat metering and domestic water connections.
Planning and execution of sanitary works
Hot and cold water installations, delivery and mounting of appliances, drainage pipes, gas installations, decalcification systems and water connections.
Ventilation with heat recovery
Forced ventilation with heat recovery for building services engineering and supplementary ventilation solutions.
Repairs and remediation of heating and sanitary systems
Remediation of all heating systems, conversion from oil to gas, replacement of controls, pumps and radiators, general repairs and sanitary appliances.
24-hour service for heating and sanitary systems
24-hour service for heating and sanitary systems for faults, repairs and prompt interventions.
24-hour service for sanitary and heating installations
24-hour service for sanitary and heating installations in case of breakdown, repair or rapid intervention.
Gas depot
Esso gas depot for 5/10.5/33 kg cylinders.
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4.1/5

Gfeller AG

Trust & reputation

ranQ Trust Score of Gfeller AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Gfeller AG scores 67.5 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.78.08%
Gfeller AG 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%
Gfeller AG scores 83.3 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).83.322%
Gfeller AG scores 5.1 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 35.5.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gfeller AG 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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Location

Hauptstrasse 49
2563 Ipsach
Opening hours
Mon
07:30 - 11:45, 13:30 - 17:30
Tue
07:30 - 11:45, 13:30 - 17:30
Wed
07:30 - 11:45, 13:30 - 17:30
Thu
07:30 - 11:45, 13:30 - 17:30
Fri
07:30 - 11:45, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.212.319
Founded
1995 · 31 years
Last commercial register change
March 16, 2021
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.
100.0
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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