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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesBioley-MagnouxHolderegger Michel
Holderegger Michel Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company Holderegger Michel is a specialist in heating technology and offers various services in the field of heating installation, maintenance and repair. The core activities include: installation and maintenance of heating systems, including natural gas, oil and hybrid systems; installation of renewable energy systems; sale and installation of radiators, heaters and underfloor heating; water treatment and desalination; sanitary work, including descaling of boilers. The company also provides consulting and planning services for heating systems for private and commercial customers.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered7
Heating installations
Underfloor heating systems, tubular radiators, panel radiators, convectors and convectors in screed; traditional or resin-based installations, including custom-made radiators.
Oil and gas boilers
Condensing boilers for oil or gas, with advice on installation and integration of hybrid systems.
Renewable heating energy
Installations with solar collectors, heat pumps, pellet or log boilers, as well as woodchip solutions.
Water treatment
Salt or CO2 water softeners to reduce limescale and protect sanitary installations.
Hot water and water heaters
Water heaters and storage tanks for the production of domestic hot water.
Heating breakdown service
Breakdown service for heating systems, with scheduled on-site interventions 7 days a week and annual subscriptions for different interventions.
Minor plumbing work
Minor plumbing work, in particular descaling of boilers and connections in the boiler room.
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Holderegger Michel

Trust & reputation

ranQ Trust Score of Holderegger Michel

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Holderegger Michel 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%
Holderegger Michel scores 78.5 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%
Holderegger Michel 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%
Holderegger Michel scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

La Croisée
1407 Bioley-Magnoux

At a glance

Legal form
Sole proprietorship
UID
CHE-113.673.456
Founded
2008 · 18 years
Last commercial register change
January 24, 2024
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.
67.0
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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