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

About the company

AT Haustechnik GmbH provides building services engineering, including sanitary installations, heating systems and pipework. The company also offers maintenance and repair services, energy consultation and sustainable solutions such as heat pumps, solar heating and rainwater reuse.

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Offering

Products & services

Industry:Plumbing & Building Services
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3.9/5

AT Haustechnik GmbH

✓ Offered5
Sanitary installations
Bathroom installations, water distribution, wastewater technology, fittings, appliances and connection work for conversions, renovations and new systems.
Heating installations
Heating installation, adjustments, maintenance and solutions for existing or new systems in the field of building services.
Piping construction
Laying, renovation, pressure testing and precise pipe routing for reliable supply in sanitary and heating systems.
Service, repairs and conversions
Repairs, fault clearance, advice, small conversions and ongoing maintenance with a focus on plumbing and heating.
Bathroom renovations
Complete renovations including dismantling, new pipe routing, sanitary installation, shower, WC, vanity furniture and coordinated surfaces.
Trust & reputation

ranQ Trust Score of AT Haustechnik GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

AT 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%
AT Haustechnik GmbH scores 50.8 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.25.012%
  • 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%
AT 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.
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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%
AT Haustechnik GmbH 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

AT Haustechnik GmbH reaches a ranQ Trust Score of 3.9 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

Bahnhofmatten 18
5502 Hunzenschwil

At a glance

Legal form
Limited Liability Company
UID
CHE-258.544.459
Founded
2025 · 1 year
Last commercial register change
August 6, 2025
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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