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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLausanneRGR Robert-Grandpierre et Rapp S.A.
RGR Robert-Grandpierre et Rapp S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

RGR is an engineering firm specializing in the planning, management and operation of transportation systems. The company's core activity is the development of innovative solutions for mobility, including the planning and implementation of transportation systems, the optimization of infrastructure and the anticipation of transportation practices. The company offers services such as transportation planning, transportation operations, transportation safety and mobility management, and supports customers in the development of sustainable and efficient transportation systems.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered12
Mobility engineering and transport management
Mobility engineering, planning and transport management, urban planning and soft mobility for cantons, municipalities, cities and public operators in French-speaking Switzerland.
Territorial mobility strategies
Territorial mobility strategies to sustainably balance mobility needs and integrate sustainable development objectives.
Impact studies
Mobility studies to assess the consequences of a project on the surrounding multimodal infrastructures and its effects on the territory.
Mobility plans
Mobility and site plans for companies and locations, with status review, surveys, definition of measures, implementation, communication, monitoring and updates.
Public spaces and road-user safety
Redevelopment of public spaces, road safety reports, traffic calming, standard compliance and authorisation dossiers to improve road-user safety.
Multimodal infrastructures
Support for road requalification projects, road development works and multimodal interchange hubs.
Soft and active mobility
Pedestrian and cycling master plans, route planning, pedestrian and cycling facilities, bicycle parking, bike-sharing, counts and signage.
Public transport
Implementation of structuring routes, performance improvement, network optimisation, call for tenders for bus line operations and fare setting.
Parking management
Development and deployment of parking optimisation strategies based on the needs of the project or the territory.
Intersection regulation
Regulation strategies, programming of traffic light signals and adapting priority for buses and soft mobility.
Dynamic traffic management system
Design of dynamic traffic management systems to improve traffic flow and the operation of traffic circulation.
Traffic flow management during construction
Management of traffic flows during construction phases in urban and motorway settings, with temporary signage, road markings, retention devices and detour routes.
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4.1/5

RGR Robert-Grandpierre et Rapp S.A.

Trust & reputation

ranQ Trust Score of RGR Robert-Grandpierre et Rapp S.A.: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

RGR Robert-Grandpierre et Rapp S.A. scores 56.8 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.73.124%
  • 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.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.35.08%
RGR Robert-Grandpierre et Rapp 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.
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.82.07%
RGR Robert-Grandpierre et Rapp 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%
RGR Robert-Grandpierre et Rapp S.A. scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

RGR Robert-Grandpierre et Rapp S.A. reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue Louis-Ruchonnet 12
1003 Lausanne
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.763.169
Founded
1974 · 52 years
Last commercial register change
June 29, 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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