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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsAubonneBureau d'études Rossier SA
Bureau d'études Rossier SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Bureau d'études Rossier SA is a surveying and geomatics engineering firm offering cadastral and land surveying services. Its services include official cadastral mensuration, building-permit plans and dossiers, topographic surveys, laser scanning and drone mapping, 3D/BIM modelling, monitoring and expert reports, servitude and land-register procedures, plus GIS and infrastructure-planning support for private clients, professional mandates and municipalities.

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Products & services

Industry:Civil Engineering Firms
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Bureau d'études Rossier SA

Official Surveying
Work related to the cadastre, land advisory services, parcel divisions or modifications, boundary setting and registration in the land register.
Building Permit
Land surveyor’s situation plans and complete public-notice dossiers for construction projects, including villas, apartment buildings, swimming pool, heat pump, spa and wall.
Land Use Planning and Urban Development
Baseline data and land-related support for planning projects, review of zoning plans and procedures of land improvement associations.
Geometric Surveying
Topographic surveys, layout for earthworks or bankett works, setting up reference points and construction benchmarks.
Neighbourhood Infrastructure
Access projects and installation of networks for drinking water, fire protection, gas, wastewater, electricity and multimedia, with tenders and construction management.
Pre-/Post-Construction Expertise
Expert assessment of structures or neighbouring properties around a construction site and of road infrastructures used by construction vehicles and trucks.
Registration or Amendment of Easements
Brevet deeds for right-of-way or pipeline easements, and the plans required for other easements such as use of a garden or a parking space.
Municipal Mapping Desk (GIS)
Surveys in open trenches and creation of custom mapping desks for managing water, gas, electricity and other infrastructure networks.
Water Management and Hydraulic Calculations
Sizing of retention basins and definition or updating of the PGEE in collaboration with municipalities and architecture or civil engineering offices.
Control of Connections for Separate Systems
Tests and certificates for connections to the network and for separate systems for clean and wastewater, with a dossier for the municipal authorities.
Construction or Site Monitoring
Installation of site-monitoring systems and measurement of altimetric or planimetric movements for structures near deep excavations.
Building Plans and BIM Modelling
Floor plans, façades, vertical sections and 3D BIM modelling for existing buildings or construction projects.
Trust & reputation

ranQ Trust Score of Bureau d'études Rossier 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.

Bureau d'études Rossier 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'études Rossier SA scores 90.9 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.70.07%
Bureau d'études Rossier SA 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%
Bureau d'études Rossier SA scores 13.7 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 35.13.74%
  • 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'études Rossier 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

Chemin du Mont-Blanc 9
1170 Aubonne

At a glance

Legal form
Corporation
UID
CHE-319.646.275
Founded
2011 · 15 years
Last commercial register change
May 26, 2021
Employees
11 to 20
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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