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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesHinwilDreiWerk Haustechnik GmbH
DreiWerk Haustechnik GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

DreiWerk Haustechnik GmbH provides services in sanitary systems, heating and ventilation. The company handles planning, installation, renovation and maintenance of building services systems, and also offers a 24/7 emergency call-out service.

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Products & services

Industry:Plumbing & Building Services
✓ Offered4
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DreiWerk Haustechnik GmbH

Sanitary installations
Sanitary services from planning to execution, including bathrooms, kitchens, basements, plus hot and cold water lines, risers, wastewater systems and sewer connections.
Heating installations
Heating systems for new builds, renovations and replacements of existing systems, including heat pumps, oil and gas heating, underfloor heating, plus repairs and refurbishments.
Ventilation installations
Ventilation solutions with supply and extract air routing, duct cleaning, installation work and basement distribution for residential spaces, commercial premises and conversions.
On-call and fault service
24/7 on-call service for urgent faults in heating, ventilation and building services, with rapid assessment, necessary measures and restoration of function.
Trust & reputation

ranQ Trust Score of DreiWerk Haustechnik GmbH

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

DreiWerk Haustechnik 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%
DreiWerk Haustechnik GmbH scores 40.1 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.0.012%
  • 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%
DreiWerk Haustechnik GmbH 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%
DreiWerk Haustechnik GmbH 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

Zürichstrasse 58a
8340 Hinwil

At a glance

Legal form
Limited Liability Company
UID
CHE-445.027.440
Founded
2026 · 0 years
Last commercial register change
April 13, 2026
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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