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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsKöllikenGreen-Fire-Systems GmbH
Green-Fire-Systems GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of GREEN-FIRE-SYSTEMS GmbH is the planning, consulting, execution and maintenance of liquefied gas installations, including tank systems, cylinder systems and industrial as well as private installations, as well as the distribution of liquefied gas vaporizers.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered12
Liquefied gas installations
Liquefied gas and propane installations for new builds, renovations and repairs; complete gas pipework from the gas meter to the end user, including planning, installation and maintenance.
Liquefied gas tank installations
Liquefied gas tank installations with storage tank, mobile small tank and tank gas cylinders; planning, installation, periodic maintenance and preparation for inspections.
Liquefied gas cylinder systems
Liquefied gas cylinder systems for private and industrial applications; installation, maintenance and controlled upkeep of the associated pipework and control technology.
Industrial and private liquefied gas installations
Industrial and private liquefied gas installations for gas cookers, lights, fireplaces and gas heating systems; including pipework, control and monitoring systems.
Vaporizer systems
Planning, installation, servicing and complete operation of vaporizer systems as well as control and monitoring systems for liquefied gas installations.
TORPEDO liquefied gas vaporizers
Sales of Fienemann TORPEDO liquefied gas vaporizers in various power classes.
Gas pipework construction and pipeline planning
Design and installation of gas-phase and liquid-phase pipework made of steel, copper, stainless steel and PE, as well as domestic installations.
Gas leak detection and repair
Locating and repairing gas leaks, as well as expert repairs or replacement of defective control devices.
Periodic inspections and maintenance
Inspection of pipework, periodic maintenance of installations and tank systems, and final inspections with handover reports.
24-hour customer service
24-hour on-call service, emergency tank refilling also at night, and immediate assistance in the event of gas release and gas interruption.
Inspections for camping, events and ships
Caravane-Control-Service, inspection of liquefied gas systems on ships, inspection certificates for events and periodic inspections of gas installations.
Consulting and quotation preparation
Comprehensive, tailored consulting regarding liquefied gas installations and non-binding quotation preparation.
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3.7/5

Green-Fire-Systems GmbH

Trust & reputation

ranQ Trust Score of Green-Fire-Systems GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Green-Fire-Systems GmbH scores 46.7 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.36.724%
  • 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.45.610%
  • 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%
Green-Fire-Systems GmbH scores 83.0 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.100.012%
  • 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%
Green-Fire-Systems GmbH 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%
Green-Fire-Systems GmbH scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Green-Fire-Systems GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 2.6 out of 5 stars from 5 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
2.6
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle2.65
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Metzgergasse 3
5742 Kölliken
Opening hours
Mon
07:30 - 18:00
Tue
07:30 - 18:00
Wed
07:30 - 18:00
Thu
07:30 - 18:00
Fri
07:30 - 18:00
Sat
07:30 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-110.093.357
Founded
2003 · 23 years
Last commercial register change
March 2, 2026
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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