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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionAigleAtra S.A.
Atra S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Atra SA primarily encompasses the fields of construction and engineering, specifically: civil engineering, reinforced concrete, earthworks, forestry work, demolition/renovation, hydraulic engineering, and avalanche protection. Thus, the company offers a wide range of services in the construction and engineering sectors.

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Offering

Products & services

Industry:Building ConstructionCivil Engineering
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Atra S.A.

Site Preparation
✓ Offered10
Civil engineering
Civil engineering works, road construction, roundabouts, lowering of groundwater, excavation support, collectors, pressure pipes and industrial pipelines.
Reinforced concrete
Reinforced concrete structures, bridges, retaining structures, buildings, cable cars and underground galleries.
Earthworks
Large-scale earthworks, excavation for apartment buildings and villas, ski runs and dykes, suitable for construction sites of different types and sizes.
Works in waterways
Works in waterways, dumping areas, emergency works, correction and opening to the surface, renaturalisation, creation of thresholds and fish ladders.
Spider excavator works
Works carried out with spider excavators and experienced machine operators on difficult terrain and access, for construction sites of almost any type.
Deconstruction / renovation
Deconstruction and renovation of structures, asbestos removal, deconstruction of concrete or stone structures, renovation of an old building and of retaining walls.
Forestry works
Forestry works, wooden thresholds, retaining caissons, pedestrian access arrangements and forest paths.
Avalanche protection
Avalanche protection and associated structures mentioned among the company’s specialisations.
Masonry
Masonry associated with the reinforced concrete activities, with structural works and construction mentioned on the presentation page.
Concrete repair and protection
Repair and protection of concrete as part of the company’s certified works.
Trust & reputation

ranQ Trust Score of Atra S.A.: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Atra S.A. scores 65.9 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.75.024%
  • 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.70.08%
Atra S.A. scores 97.5 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.90.07%
Atra S.A. 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%
Atra S.A. scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Atra S.A. reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Zone Industrielle, Sous le Grand Pré 5
1860 Aigle

At a glance

Legal form
Corporation
UID
CHE-105.737.597
Founded
1964 · 62 years
Last commercial register change
May 3, 2024
Employees
51 to 100
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.100.03%
    • Full methodology

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