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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSionBureau d'Etudes Impact SA
Bureau d'Etudes Impact SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Bureau d'Etudes Impact SA is a consultancy offering environmental impact assessments and environmental expertise. Its services include environmental studies and advice, site and demolition waste management, environmental management for large projects, heritage and historical-route studies, tourism and soft-mobility planning, and noise protection (SIA 181).

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered6
Environmental studies and consulting
Impact studies, advice and expertise on the environment, management of natural resources, energy and waste.
Environmental monitoring of construction sites
Environmental monitoring of construction sites, support during the works, waste management and deconstruction.
Environmental management for major projects
Environmental management for major projects, support for the documentation and coordination of environmental requirements.
Heritage and historical communication routes
Enhancement of heritage, studies and support related to historical communication routes and the territory.
Tourism and soft mobility
Touristic enhancement of the territory, soft mobility and support for tourism-related projects.
Noise protection and SIA 181 standard
Studies and advice for noise protection, application of the SIA 181 standard and associated expertise.
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4.1/5

Bureau d'Etudes Impact SA

Trust & reputation

ranQ Trust Score of Bureau d'Etudes Impact 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.

Bureau d'Etudes Impact 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%
Bureau d'Etudes Impact SA scores 85.5 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.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.55.07%
Bureau d'Etudes Impact 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%
Bureau d'Etudes Impact SA scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bureau d'Etudes Impact 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 du Rhône 10
1950 Sion

At a glance

Legal form
Corporation
UID
CHE-106.011.698
Founded
1986 · 40 years
Last commercial register change
March 18, 2026
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.
100.0
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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