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

About the company

The core activity of Hans Giezendanner GmbH is the installation, maintenance and repair of heating and plumbing systems, including solar systems and building technology. The company also provides impulse consulting and services in the areas of modernization, new construction and repairs.

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Offering

Products & services

Industry:Solar & Photovoltaics
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3.8/5

Hans Giezendanner GmbH

✓ Offered
4
Heating systems
Planning, installation, maintenance and repair of heating systems; heat pumps, pellet and firewood heating systems, gas and oil heating systems, heat distribution systems and extensions of existing systems.
Solar thermal systems
Solar thermal systems to use solar heat for domestic hot water, relieve the heating system and reduce heating costs; including professional planning and implementation.
Building services and sanitary work
Installation and repair work on sanitary installations; replacement of fittings and seals, descaling of boilers, boiler replacement and water softening.
Initial guidance
Free initial guidance on using renewable energy, on the right system for the living situation and on government funding.
Trust & reputation

ranQ Trust Score of Hans Giezendanner GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 96% · As of October 2026

Hans Giezendanner GmbH scores 63.8 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.65.024%
  • 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.49.510%
  • 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%
Hans Giezendanner GmbH scores 65.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.58.012%
  • 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%
Hans Giezendanner 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%
Hans Giezendanner GmbH scores 6.6 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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hans Giezendanner GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Station 5
9601 Lütisburg Station

At a glance

Legal form
Limited Liability Company
UID
CHE-268.656.999
Founded
2022 · 4 years
Last commercial register change
June 15, 2022
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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