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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringWinterthurGKO Engineering GmbH
GKO Engineering GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of GKO Engineering GmbH is planning and consulting in the field of technical building equipment (TGA), particularly in the areas of heating, ventilation, air conditioning, refrigeration, building automation, sanitary and solar systems. The company offers services such as specialized planning, special planning and specialist coordination for residential buildings, office renovations and commercial spaces, and supports architects, investors and builders in all phases of performance.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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4.1/5

GKO Engineering GmbH

✓ Offered11
Technical building services
Design and supervision of technical building services across all service phases, from individual questions for small projects to full processing of complex construction projects.
Heating engineering
Design and specialist supervision of heating systems within building technology, including support for new builds, conversions and operation.
Ventilation and air-conditioning
Design of ventilation and air-conditioning systems as part of technical building services for buildings of all kinds.
Refrigeration engineering
Design and specialist supervision of refrigeration systems within building technology projects.
Building automation
Design of building automation solutions for controlling and supporting building operation.
Sanitary engineering
Design and specialist supervision of sanitary installations as part of technical building services.
Solar engineering
Design of solar technology for buildings as part of technical building services.
Gastronomy planning
Design of building technology systems and processes for catering establishments.
Specialist planning
Specialist planning for building technology trades and projects, including support in all service phases.
Special planning
Special planning for demanding building technology tasks and project-specific requirements.
Specialist coordination
Coordination of building technology specialist trades and alignment across the project phases.
Trust & reputation

ranQ Trust Score of GKO Engineering GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

GKO Engineering 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.
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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%
GKO Engineering GmbH scores 74.1 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.79.212%
  • 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%
GKO Engineering 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%
GKO Engineering GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GKO Engineering GmbH reaches a ranQ Trust Score of 4.1 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

Wieshofstrasse 106f
8408 Winterthur

At a glance

Legal form
Limited Liability Company
UID
CHE-303.306.632
Founded
2018 · 8 years
Last commercial register change
January 13, 2021
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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