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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesAbtwil SgG+K Gebäudetechnik AG
G+K Gebäudetechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company G+K Gebäudetechnik is engaged in the planning, realization, installation, consulting and maintenance of systems for heating, ventilation, sanitation, air conditioning and refrigeration. The core activity includes the installation and maintenance of air conditioning systems, heating systems, ventilation systems, sanitary systems and heat pumps, as well as the planning and execution of bathroom renovations and modernizations of single and multi-family homes.

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Products & services

Industry:Plumbing & Building Services
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3.9/5

G+K Gebäudetechnik AG

✓ Offered6
Heating systems
Planning, delivery, installation and implementation of heating systems for homes and businesses; including advice and cost-effective, ecologically balanced solutions.
Ventilation systems
Planning, delivery, installation and implementation of ventilation systems; including controlled home ventilation, heat recovery and maintenance work for clean indoor air.
Air conditioning systems
Planning, delivery, installation and implementation of air conditioning systems for private customers and businesses; with energy-efficient, sustainable operation and maintenance work.
Sanitary installations
Planning and implementation of sanitary installations, including plumbing installations, sanitary refurbishments and maintenance work, as well as optimisations in energy use.
Bathroom remodeling and bathroom renovation
Bathroom remodeling and renovation, including modernisations for single- and multi-family homes, as well as coordinated renovations and advice.
Refrigeration systems
Refrigeration systems as another building services specialty alongside heating, ventilation, sanitary and air conditioning.
Trust & reputation

ranQ Trust Score of G+K Gebäudetechnik AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

G+K Gebäudetechnik AG scores 59.4 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.52.524%
  • 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.61.010%
  • 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.78.08%
G+K Gebäudetechnik AG scores 81.1 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.89.612%
  • 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%
G+K 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.
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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).85.022%
G+K Gebäudetechnik AG scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

G+K Gebäudetechnik AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 10 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
3.8
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle3.810
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Hauptstrasse 19
9030 Abtwil Sg
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-192.938.305
Founded
2015 · 11 years
Last commercial register change
May 3, 2023
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.
100.0
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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