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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringCourgenayFrançois Donzé, Génie Civil et Construction S.A.
François Donzé, Génie Civil et Construction S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company François Donzé Génie civil et Construction SA is primarily active in the construction and infrastructure sector. The core activities include: public works, general civil engineering, road construction, asphalt and concrete road surfacing, watercourse development, reinforced concrete and masonry works, industrial piping, industrial zones and subdivisions, demolition works, and material recycling. The company also offers services to private clients, such as: exterior landscaping, masonry and reinforced concrete, piping, curbs and paving, excavation and backfilling, soil improvement, and slope stabilization. The company has a modern machine fleet and its own center for processing and utilizing mineral waste.

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Offering

Products & services

Industry:Civil EngineeringGeneral Contractors
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4.2/5

François Donzé, Génie Civil et Construction S.A.

Site Preparation
✓ Offered8
General civil engineering works
Civil engineering works for public authorities and private clients, including earthworks, pipelines, reinforced concrete structures and deconstruction.
Road construction and road developments
Road construction, street and area improvements, renovation of local access roads, bituminous and concrete surfacing, kerbs and paving.
Earthworks and site servicing
Earthworks, backfilling, slope stabilisation, site servicing, external works and preparation of sites for industrial zones and housing developments.
Pipelines and conduits
Installation of pipelines and conduits, including industrial pipelines and connections for waste water, as part of civil engineering sites.
Watercourse development
Design and revitalisation of waterways, including renaturation work and interventions on streams and at confluences.
Reinforced concrete and masonry structures
Construction of reinforced concrete and masonry structures, in particular walls, structures and superstructures related to civil engineering projects.
Deconstruction works
Deconstruction works for buildings and structures, in particular as part of conversion and site development projects.
Recycling and recovery of construction materials
Screening and crushing of stone materials, production of aggregates and collection of unpolluted mineral excavation material from construction sites, with bulk transport.
Trust & reputation

ranQ Trust Score of François Donzé, Génie Civil et Construction S.A.: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

François Donzé, Génie Civil et Construction S.A. scores 71.4 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.76.724%
  • 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.45.610%
  • 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.88.08%
François Donzé, Génie Civil et Construction S.A. scores 92.3 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.82.07%
François Donzé, Génie Civil et Construction 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.
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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).85.022%
François Donzé, Génie Civil et Construction S.A. scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

François Donzé, Génie Civil et Construction 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 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue du Bourg 24
2950 Courgenay
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-111.713.027
Founded
2004 · 22 years
Last commercial register change
June 10, 2026
Employees
21 to 50
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.70.03%
    • Full methodology

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