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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesAir conditioningThörishausgcg GmbH
gcg GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

gcg GmbH is a building services company that plans, installs and maintains heating, ventilation, air conditioning and plumbing systems. Its services also include district heating work, repairs and renovations of building systems.

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Presence

Service area

Offering

Products & services

Industry:Air conditioning
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3.7/5

gcg GmbH

Heating installer
Plumber
✓ Offered5
Heating Installations
Heating planning, installation and replacement for new builds and renovations; heat pumps, district heating connections, wood, oil and gas heating, plus heating upgrades and maintenance.
Climate and Ventilation Installations
Climate and ventilation systems for homes and businesses; split and multisplit units, comfort ventilation, duct cleaning, controls, installation and maintenance.
Plumbing Installations
Plumbing installations for new builds, conversions and renovations; bathrooms, boilers and hot water, kitchen and laundry connections, plus repairs and pipework.
District Heating Connections and Network Works
Installation and welding work on district heating networks; new pipeline construction, building connections, transfer stations, maintenance and repairs for low- and high-temperature networks.
Service and Maintenance
Maintenance, fault resolution and repairs for heating, climate, ventilation and plumbing systems; also for equipment from other brands, including maintenance agreements.
Trust & reputation

ranQ Trust Score of gcg GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 54% · As of November 2026

gcg 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%
gcg GmbH scores 50.8 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.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%
gcg GmbH 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%
gcg GmbH scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

gcg GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Brunnmattstrasse 15
3174 Thörishaus

At a glance

Legal form
Limited Liability Company
UID
CHE-264.353.703
Founded
2025 · 1 year
Last commercial register change
August 21, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 74 municipalities

  • Verwaltungskreis Bern-Mittelland
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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