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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsLausanneDénériaz S.A.
Dénériaz S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Dénériaz S.A. is a construction company providing building and civil-engineering services. Its published activities include building construction, civil and structural works (bridges, viaducts), underground works, renovations and asbestos removal.

AI-generated
Offering

Products & services

Industry:General Contractors
✓ Offered7
General and construction company
Construction of buildings, civil engineering, special structures, conversions, underground works and asbestos abatement; construction and rehabilitation projects for public and private works.
Building construction
Construction of villas, apartment buildings, residential homes, schools, hotels and commercial buildings; new construction and building projects in Lausanne, Pully, Estavayer and surrounding areas.
Civil engineering
Civil engineering works for roads, reservoirs, retaining walls, footbridges, pedestrian bridges, stations and urban developments; infrastructure construction sites and technical structures.
Bridges and special structures
Construction and rehabilitation of bridges, viaducts, footbridges, underpasses and transport-related stations; structural works and associated infrastructures.
Conversions and renovations
Conversions and renovations of buildings, retail spaces, parking facilities, clinics, museums and other structures; extensions, roof raises and partial reconstructions.
Underground works
Underground works for metro lines, galleries and underground developments; interventions on underground infrastructures and related structures.
Asbestos abatement
Asbestos abatement of buildings and structures, with interventions in churches, schools and other sites requiring the removal of asbestos-containing materials.
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4.2/5

Dénériaz S.A.

Trust & reputation

ranQ Trust Score of Dénériaz S.A.: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Dénériaz S.A. scores 61.2 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.63.124%
  • 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.49.510%
  • 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.70.08%
Dénériaz S.A. scores 95.9 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.90.07%
Dénériaz 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.
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%
Dénériaz S.A. scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dénériaz S.A. reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 6 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
4.2
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.26
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Place de l'Europe 7
1003 Lausanne
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:15
Tue
07:30 - 12:00, 13:30 - 17:15
Wed
07:30 - 12:00, 13:30 - 17:15
Thu
07:30 - 12:00, 13:30 - 17:15
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.765.292
Founded
1955 · 71 years
Last commercial register change
August 31, 2026
Employees
51 to 100
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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