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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsMorgesAlexandre Gay Ingénieurs Sàrl
Alexandre Gay Ingénieurs Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company primarily deals with the planning, design and supervision of metallic structures, particularly temporary structures such as canopies, pontoons, platforms, walkways, loading ramps, work carts, roof constructions and retaining walls. In addition, definitive projects such as halls and buildings are also realized. The core activities include: concept development and dimensioning of metallic structures, creation of plans and supervision of execution, control and monitoring of construction sites, specialized work such as the construction of shoring, scaffolding and other temporary structures, and engineering services for the realization of construction projects, including coordination of work and creation of protocols.

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Products & services

Industry:Civil Engineering Firms
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Alexandre Gay Ingénieurs Sàrl

7
Metal structural studies
Metal structural studies: concept, dimensioning, preparation of plans and site control for temporary and final projects.
Temporary structures
Temporary structures: portal frames, reception bridges, suspended platforms, temporary walkways, hoists, work trolleys, temporary roofs and CFF safety barriers.
Excavation shoring and vertical shoring
Excavation shoring and vertical shoring: concept, dimensioning, execution drawings and control of the execution for retaining wall support and site shoring.
Scaffolding and work platforms
Scaffolding and work platforms: static verification, concept, dimensioning, drawings and control for facade, suspended or multidirectional scaffolding.
Special formwork and centering
Special formwork and centering: design, dimensioning and execution drawings for parapet formwork, suspended formwork, bridge and tunnel centering.
Pedestrian walkways and reception bridges
Pedestrian walkways and reception bridges: concept, static verification, dimensioning and execution drawings for temporary passage or reception structures.
Steel frames and metal halls
Steel frames and metal halls: concept, dimensioning, drawings and execution checks for halls, marquees and load-bearing structures.
Trust & reputation

ranQ Trust Score of Alexandre Gay Ingénieurs Sàrl

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

Alexandre Gay Ingénieurs Sàrl 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%
Alexandre Gay Ingénieurs Sàrl scores 73.9 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.70.212%
  • 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.70.07%
Alexandre Gay Ingénieurs Sàrl 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%
Alexandre Gay Ingénieurs Sàrl 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

Rue Centrale 21
1110 Morges

At a glance

Legal form
Limited Liability Company
UID
CHE-417.728.069
Founded
2020 · 6 years
Last commercial register change
December 29, 2020
Employees
11 to 20
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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