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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerSionCSD Ingénieurs SA
CSD Ingénieurs SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

CSD Ingénieurs SA is an engineering company providing services in environmental engineering, geology, water, energy and construction. Its work includes contaminated-site remediation, transport and infrastructure projects, and planning for buildings and open spaces.

AI-generated
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Service area

Offering

Products & services

Industry:Engineer
✓ Offered6
Real estate, building engineering, civil engineering works of art and road and rail infrastructure
Advisory to project owners, project planning, site supervision, assistance to the project owner (BAMO) and civil engineering for special works and underground works.
Energy efficiency and renewable energies
Advice on energy savings, local energy production, photovoltaic panels, heat pumps, small-scale hydropower, master plans and energy management concepts.
Biodiversity
Inventory studies, protection of soils and flora, revitalisation of watercourses, and enhancement of tree heritage for projects in built-up, rural or mountain areas.
Environmental and geological studies, protection against natural hazards
Environmental impact studies, environmental monitoring during implementation, hazard mapping and protection measures against floods, rockfalls, landslides and other natural risks.
Contaminated sites and building pollutants
Assessment of potentially contaminated sites, asbestos/PCB/heavy metal diagnostics, support with the procedures and remediation before construction or renovation.
Water supply and treatment management
Prospection, protection and supply of drinking water, wastewater treatment, STEP, removal of micropollutants, management of stormwater and road runoff.
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4.1/5

CSD Ingénieurs SA

Trust & reputation

ranQ Trust Score of CSD Ingénieurs SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

CSD Ingénieurs 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%
CSD Ingénieurs SA scores 90.6 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.96.07%
CSD Ingénieurs SA 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%
CSD Ingénieurs SA scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CSD Ingénieurs 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Rue de l'Industrie 54
1950 Sion

At a glance

Legal form
Branch
UID
CHE-430.494.554
Founded
1992 · 34 years
Last commercial register change
June 20, 2019
Employees
101 to 500

Active in 1 of 26 cantons

  • VSValais
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.
76.0
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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