ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSennwaldDORF-Gebäudetechnik AG
DORF-Gebäudetechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

DORF-Gebäudetechnik AG provides building services engineering, offering planning, installation and maintenance for heating, sanitary and ventilation systems. Services include heat pumps, air conditioning, bathroom renovations, biomass heating solutions and a 24‑hour emergency service.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.5/5

DORF-Gebäudetechnik AG

✓ Offered
7
Heating
Heat pumps, biomass heating systems, oil and gas conversion, heating system renovation; planning, installation, maintenance and 24h emergency service for new builds and renovations.
Bathroom & Sanitary
Bathroom renovations, sanitary installations and renovation of older buildings; bathroom planning, water and wastewater installations, barrier-free solutions, as well as repairs and clean execution.
Air Conditioning & Ventilation
Air conditioning systems, GREE air-conditioning units, ventilation systems, ventilation cleaning, as well as cooling and refrigeration technology; advice, planning, installation and maintenance.
Maintenance & Emergency Service
Maintenance for heating, ventilation and sanitary systems; quick fault diagnostics, repairs, 24h emergency service, as well as service contracts and documentation.
Planning
Building services planning for heating, sanitary, ventilation and refrigeration; 3D planning, schematics, collision checks, detailed execution planning and coordination.
Control Technology
Control and smart control for building services systems; coordination of heating, ventilation and sanitary systems as part of planning and implementation.
Insulation & Fire Protection
Insulation work and fire protection in the context of building services; provided as an additional technical service alongside heating, sanitary and ventilation.
Trust & reputation

ranQ Trust Score of DORF-Gebäudetechnik AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

DORF-Gebäudetechnik AG scores 94.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.92.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.100.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
DORF-Gebäudetechnik AG scores 85.0 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.83.012%
  • 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.82.07%
DORF-Gebäudetechnik AG scores 85.0 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).85.022%
DORF-Gebäudetechnik AG scores 8.0 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 35.8.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DORF-Gebäudetechnik AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 99 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 99 reviews across all connected sources

Sources
GGoogle4.999
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

No knowledge articles yet

Once DORF-Gebäudetechnik AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

DORF-Gebäudetechnik AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank DORF-Gebäudetechnik AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of DORF-Gebäudetechnik AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Erlenstrasse 3
9466 Sennwald
Opening hours
Mon
08:00 - 12:00, 14:00 - 16:00
Tue
08:00 - 12:00, 14:00 - 16:00
Wed
08:00 - 12:00, 14:00 - 16:00
Thu
08:00 - 12:00, 14:00 - 16:00
Fri
08:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-494.256.112
Founded
2017 · 9 years
Last commercial register change
May 30, 2023
Employees
21 to 50
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

    Similar companies

    PG
    PvA Gebäude- und Rohrtechnik GmbH
    Eggersriet
    OA
    Oberhänsli AG
    Mosnang
    HG
    Hablützel Gebäudetechnik AG
    Degersheim
    SB
    Schenk Bruhin AG
    Sargans
    TH
    Tobler Haustechnik & Metallbau AG
    Alt St. Johann
    LE
    Lippuner Energie- und Metallbautechnik AG
    Grabs
    LH
    Lippuner Hosting GmbH
    St. Gallen
    WH
    Wastec Haustechnik Ivelj
    Bad Ragaz