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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionSt-Légier-La ChiésazKarlen Maçonnerie-Génie Civil SA
Karlen Maçonnerie-Génie Civil SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Karlen Maçonnerie - Génie Civil SA is the provision of services in the construction sector, particularly in the construction of buildings, villas and other structures, as well as in the execution of renovation and excavation works. Additionally, the company operates its own quarry (Carrière de Fayaux) and supplies materials for construction purposes.

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Products & services

Industry:Building ConstructionMasonry Work
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Karlen Maçonnerie-Génie Civil SA

✓ Offered7
Masonry work
Masonry work for villas and rental buildings or condominiums (PPE), conversions, renovations and maintenance, with handling of construction sites on the Riviera.
Civil engineering
Civil engineering for construction sites, connections for clean and waste water, pipelines, connections for industrial services and work related to municipal networks.
Construction of villas and buildings
Construction of villas, rental buildings or condominiums (PPE), with supervised real estate projects in collaboration with architects or private clients.
Renovation, conversions and maintenance
Conversions, renovations and maintenance of buildings, including masonry and civil engineering works on the Riviera.
Natural stone works
Natural stone works for walls, staircases, paving slabs, riprap and retaining walls, carried out using materials from the Fayaux quarry.
Retaining walls
Retaining walls on sloped terrain, in natural stone or with cyclopean or Scottish masonry.
Quarry materials in stock
Materials in stock from the Fayaux quarry, with current prices for rough slabs, rubble stones, stones for riprap and all-in stone.
Trust & reputation

ranQ Trust Score of Karlen Maçonnerie-Génie Civil SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Karlen Maçonnerie-Génie Civil SA 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%
Karlen Maçonnerie-Génie Civil SA scores 84.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.89.612%
  • 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%
Karlen Maçonnerie-Génie Civil SA 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%
Karlen Maçonnerie-Génie Civil SA scores 8.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Karlen Maçonnerie-Génie Civil SA 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

Route Industrielle 2
1806 St-Légier-La Chiésaz

At a glance

Legal form
Corporation
UID
CHE-316.347.497
Founded
2015 · 11 years
Last commercial register change
September 20, 2023
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.100.06%
  • 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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