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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionEvolèneOleïnna construction Sàrl
Oleïnna construction Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Oleinna Construction Sàrl is the provision of services in the fields of construction and engineering, particularly in the following areas: building construction, civil engineering, exterior fittings, reinforced concrete, renovation, and earthworks. The company thus offers a wide range of construction services, from planning to the execution of construction projects.

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Products & services

Industry:Building ConstructionBuilding Maintenance
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Oleïnna construction Sàrl

Civil Engineering
Site Preparation
✓ Offered7
Building construction
Structural work, stone walls, concrete and brick walls, slabs, insulation, tiling, concrete staircases.
Civil engineering
Roadworks, tunnels, bridges, river diversions, intake of drinking-water springs, relocation and repair of sewers, retaining walls.
External landscaping
Custom services for villas and buildings: riprap, stone walls, reinforced earth, access road, turfing.
Reinforced concrete
Raft slabs (radier), slabs, walls, staircases, retaining walls and bridges in reinforced concrete.
Renovation
Demolition, base/substructure works, insulation, sorting, consolidation of existing structures, tiling, asbestos abatement, strengthening.
Earthworks
Excavations, mass excavation, demolition of rocks, with all types of machinery for earthworks.
Miscellaneous
Pipelines for waste water and drainage, trench excavations for drinking water, installation of electricity and Swisscom pipes, snow removal, installation of plaster galandage partitions, tiling.
Trust & reputation

ranQ Trust Score of Oleïnna construction Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Oleïnna construction 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%
Oleïnna construction Sàrl scores 79.8 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.92.512%
  • 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%
Oleïnna construction 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%
Oleïnna construction Sàrl scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Oleïnna construction Sàrl 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

Rue Centrale 92
1983 Evolène

At a glance

Legal form
Limited Liability Company
UID
CHE-385.568.291
Founded
2014 · 12 years
Last commercial register change
July 28, 2014
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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