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DirectoryConstruction & ArchitectureCivil Engineering FirmsSion 4Guillaume Favre Ingénieurs et Architectes SA
Guillaume Favre Ingénieurs et Architectes SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Guillaume Favre Ingénieurs et Architectes SA is an engineering and architecture firm providing planning and design services for civil engineering (roads, hydraulics, sanitation), structural works, surveying and topography, renovations, industrial/commercial halls and mountain lift systems.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered7
Civil engineering
Roadworks, hydraulic engineering, sanitary engineering, wastewater, water treatment, watercourses, civil engineering works, developments, military facilities, urban developments.
Engineering structures
Kunstbauten, buildings.
Geometric surveys
Surveys, setting-out, topography, terrain modelling.
Architecture
Residential buildings, chalets.
Renovations
Buildings, engineering structures.
Lifts and snowmaking
Gondolas, chairlifts, ski lifts, snowmaking.
Commercial and industrial halls
Halls, shopping centres.
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4.1/5

Guillaume Favre Ingénieurs et Architectes SA

Trust & reputation

ranQ Trust Score of Guillaume Favre Ingénieurs et Architectes 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.

Guillaume Favre Ingénieurs et Architectes 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%
Guillaume Favre Ingénieurs et Architectes SA scores 88.2 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.55.07%
Guillaume Favre Ingénieurs et Architectes 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%
Guillaume Favre Ingénieurs et Architectes SA scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Guillaume Favre Ingénieurs et Architectes 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

Route du Manège 60
1950 Sion 4

At a glance

Legal form
Corporation
UID
CHE-102.340.252
Founded
1989 · 37 years
Last commercial register change
December 3, 2025
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.95.03%
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