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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesMeyrinG.E.R. SA
G.E.R. SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of G.E.R. SA consists in the planning, manufacturing, assembly and maintenance of industrial plants as well as the realization of networks for gases and liquids. In particular, the company focuses on the following areas: Chemistry: installations for production in various chemical fields Petrochemistry: revamping of refineries and petrochemical plants Pharmaceuticals: installations for production in various pharmaceutical fields Networks: construction of networks for district heating, district cooling, gas and other liquids. The company also offers services in the field of welding technology and has received various certifications in this area.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered4
Industrial piping
Fabrication, installation and maintenance of industrial installations, as well as construction of gas and fluid networks for chemical, oil, networks, pharma and gas.
Gas and fluid network construction
Installation of town gas and technical gas networks, with construction of district cooling and district heating networks for industrial applications.
Industrial production installations
Production installations in the fields of chemical and pharma, with fabrication, installation and maintenance tailored to industrial environments.
Revamping of refineries and oil depots
Revamping in refineries and oil depots, as part of industrial piping works and fluid network projects.
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4.0/5

G.E.R. SA

Trust & reputation

ranQ Trust Score of G.E.R. SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

G.E.R. SA scores 55.2 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.67.924%
  • 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.40.910%
  • 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.35.08%
G.E.R. SA scores 92.3 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.82.07%
G.E.R. SA 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%
G.E.R. SA 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%
Qualifications+0.00

G.E.R. SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 4 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
4.5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Chemin des Léchères 2
1217 Meyrin
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.590.146
Founded
2002 · 24 years
Last commercial register change
December 13, 2024
Employees
21 to 50
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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