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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsGrüningenHadorn GmbH
Hadorn GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Hadorn GmbH includes the construction and installation of chimneys, ovens and other exhaust systems, as well as conversions and renovations in the field of residential construction. The company also offers CAD planning services to provide customers with individual solutions.

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Offering

Products & services

Industry:Specialized Construction Installations
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4.1/5

Hadorn GmbH

✓ Offered4
Fireplace Construction
Fireplaces in various forms and designs, including wood, gas and bioethanol fire features, with warm-air recovery or storage mantle.
Stove Construction
Storage stoves, water-bearing stove systems and wood cooking stoves, also designed and installed as central heating or with hot-water production.
Alterations and Renovations
Repairs and small alterations inside and around the home, including bathroom and kitchen renovations, floor covering replacement, wall demolition and small extensions.
CAD Planning
CAD-based visualisation and planning of fireplace and stove systems in 2D and 3D, including material and parts lists and photorealistic presentation.
Trust & reputation

ranQ Trust Score of Hadorn GmbH: 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.

Hadorn GmbH 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%
Hadorn GmbH scores 83.0 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%
Hadorn 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%
Hadorn GmbH scores 12.0 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 35.12.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hadorn GmbH 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

Villbergstrasse 1
8627 Grüningen

At a glance

Legal form
Limited Liability Company
UID
CHE-114.119.547
Founded
2008 · 18 years
Last commercial register change
September 3, 2013
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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