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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringRupperswilGK-Montagen GmbH
GK-Montagen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Von Norden GmbH is the professional installation of piping systems for medical gases, high-purity gases and industrial gases, particularly in the areas of laboratory installations, hospital installations and industrial plants.

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Offering

Products & services

Industry:Civil Engineering
✓ Offered3
Piping construction for technical gases
Piping installations for medical gases, high-purity gases and industrial gases; laboratory installations, hospital installations, gas measurement technology as well as shutdown installations.
Planning and engineering for gas and pipe installations
Planning, detailed engineering and engineering support for the gas sector, technical and high-purity gas supply systems, and industrial-adjacent pipe installations.
Pipework assembly and special works
Pressure testing of pipework, soldering work to EN 13133-2000, orbital welding and work while operations are running.
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GK-Montagen GmbH

Trust & reputation

ranQ Trust Score of GK-Montagen GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

GK-Montagen 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%
GK-Montagen 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%
GK-Montagen GmbH scores 83.3 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).83.322%
GK-Montagen GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Käterlistrasse 36F
5102 Rupperswil

At a glance

Legal form
Limited Liability Company
UID
CHE-356.117.928
Founded
2018 · 8 years
Last commercial register change
October 4, 2024
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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