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

About the company

PRA Ingénieurs Conseils SA is an engineering firm specializing in the planning, consulting and design of buildings and infrastructure projects. The core activities include the areas of building planning, structural planning, civil engineering and earthquake safety; civil engineering and road construction, including road and rail tunnels; expert opinions, consulting and material management; project management, client support and problem-solving; and hydraulic engineering and management. The company offers its customers individual solutions and consulting services to successfully implement their construction and infrastructure projects.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered6
Buildings, load-bearing structures, civil engineering structures and seismic protection
New buildings, conversions, extensions and refurbishments; civil engineering structures, structural inspections, special structures and seismic checks of new or existing buildings.
Civil engineering and roads
Urban development, traffic and parks, detailed master plan PAD, urban land consolidation RPU; special structures and construction or refurbishment of roads.
Road and rail tunnels
Construction and refurbishment of road and rail tunnels and other underground structures such as galleries and caverns.
Expertise, consulting, materials management
Research and development, management and recovery of materials, natural hazards, standardisation, inspections, project assessments, guidelines and judicial expert reports.
Around water
Hydropower developments, hydroelectric power stations, penstocks, headrace tunnels, water intakes, pumped-storage with turbine generation, river corrections, reservoirs and STEP.
Project management and support for clients
Support and advice, acting on behalf of the client, tender documents, chairing meetings, contract management and solutions to complex issues.
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4.1/5

PRA Ingénieurs conseils SA

Trust & reputation

ranQ Trust Score of PRA Ingénieurs conseils SA: 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.

PRA Ingénieurs conseils 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.
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%
PRA Ingénieurs conseils SA scores 90.9 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.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.70.07%
PRA Ingénieurs conseils SA 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%
PRA Ingénieurs conseils SA scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PRA Ingénieurs conseils 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

Rue de la Majorie 9
1950 Sion

At a glance

Legal form
Corporation
UID
CHE-101.447.338
Founded
1985 · 41 years
Last commercial register change
August 14, 2024
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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