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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringLe BrassusBureau d'études techniques Thorens et Associés SA, ingénieur géomètre officiel
Bureau d'études techniques Thorens et Associés SA, ingénieur géomètre officiel Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Thorens & Associés SA is the provision of engineering services, particularly in the fields of geometry, surveying, and civil engineering. The activities include: official measurement (surveying of properties, definition of property boundaries, subdivision of plots), geometric works (surveying of buildings, creation of plans and profiles), territorial development (urban planning, spatial planning, transportation infrastructure), civil and rural engineering (construction of roads, bridges, canals, water supply systems), topographic works (creation of contour lines, orthophotos, 3D models), and control of buildings and facilities (monitoring of construction work, inspection of buildings for safety and stability). The company thus offers a wide range of services required for the planning, implementation, and monitoring of construction and infrastructure projects.

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Products & services

Industry:Technical Consulting & Engineering
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4.0/5

Bureau d'études techniques Thorens et Associés SA, ingénieur géomètre officiel

✓ Offered4
Official surveying
Definition of property boundaries, subdivision of parcels, surveys of new constructions for registration in the Land Register, establishment of easements.
Geometric surveying works
Detail surveys and topographic maps, drone-based orthophotos, facade and interior surveys, building authorisation files, setting out, volume measurements and inspections.
Land-use planning
Collaboration with urban planners and spatial planners, study and revision of land-use plans, conversion to INTERLIS format, parcel rearrangement, alignment plans and clearing.
Civil and rural engineering
Road development and public spaces, sanitation and wastewater treatment, water supply networks, district heating, hydraulic structures, renaturation and site equipment.
Trust & reputation

ranQ Trust Score of Bureau d'études techniques Thorens et Associés SA, ingénieur géomètre officiel: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 96% · As of October 2026

Bureau d'études techniques Thorens et Associés SA, ingénieur géomètre officiel scores 61.5 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.69.624%
  • 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.35.310%
  • 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%
Bureau d'études techniques Thorens et Associés SA, ingénieur géomètre officiel 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'études techniques Thorens et Associés SA, ingénieur géomètre officiel 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 techniques Thorens et Associés SA, ingénieur géomètre officiel scores 5.4 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 35.5.44%
  • 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 techniques Thorens et Associés SA, ingénieur géomètre officiel reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 3 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
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route du Risoud 1
1348 Le Brassus
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.978.640
Founded
1980 · 46 years
Last commercial register change
April 24, 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.100.06%
  • 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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