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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesLeuzigenGunziger AG
Gunziger AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Gunziger AG provides plumbing, heating, cooling and ventilation services, and carries out core drilling, solar and heat-pump installations as well as maintenance and repairs.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered8
Plumbing installations
Plumbing installations for new builds and renovations, complemented by service, repairs and customer service in the plumbing sector.
Heating systems
Heating system installations as well as service and repairs, including heat pumps and alternative energy systems.
Heat pumps
Heat pumps for heating and energy systems, with installation, service and repairs.
Solar energy
Solar energy solutions in the field of alternative energy, complemented by planning, installation, service and repairs.
Core drilling
Core drilling as a supplementary construction and installation service.
Service and repairs
Service and repair work with a 24-hour repair service for plumbing, heating, refrigeration and ventilation systems.
Refrigeration
Services in the refrigeration sector, including service and repairs.
Ventilation
Services in the ventilation sector, including customer service, service and repairs.
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4.1/5

Gunziger AG

Trust & reputation

ranQ Trust Score of Gunziger AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Gunziger AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Gunziger 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%
Gunziger 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%
Gunziger AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gunziger AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Kreuzhubelstrasse 7
3297 Leuzigen

At a glance

Legal form
Corporation
UID
CHE-109.507.961
Founded
2002 · 24 years
Last commercial register change
June 2, 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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