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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLensBureau d'ingénieurs civils Raphaël Bonvin Sàrl
Bureau d'ingénieurs civils Raphaël Bonvin Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of RB-ingénieurs is the provision of services in the field of civil engineering, particularly in the areas of: project management from conception to realization, studies and management of construction work, coordination of construction sites, and planning and execution of structures in concrete, prestressed concrete and steel. The company offers its services in various fields, including: timber construction, earthquake and disaster protection, road and sports facility construction, laying of underground networks, cable cars, construction of artistic structures, and renovations and conversions. The company is also involved in the planning and realization of individual villas and sports centers.

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Bureau d'ingénieurs civils Raphaël Bonvin Sàrl

Civil Engineering Firms
✓ Offered10
Project management
Project management from design to execution, including studies, construction management and site coordination.
Studies and construction management
Studies, construction management and site coordination for construction projects, from technical monitoring to organisation on site.
Reinforced and prestressed concrete structures
Design of reinforced and prestressed concrete structures for buildings and structures, integrated into civil engineering expertise.
Steel and timber structures
Design of steel and timber structures for construction projects and structures, taking into account structural requirements.
Seismic engineering
Seismic engineering services for the design and assessment of structures resistant to earthquakes.
Road and sports facilities
Road and sports facilities, including responsibility for underground utility networks associated with infrastructure projects.
Underground utility networks
Studies and coordination of underground utility networks as part of road and sports facilities or construction projects.
Engineering works of art
Study and design of engineering works of art as part of civil engineering and infrastructure projects.
Transformations and renovations
Transformations, renovations and adaptations of existing structures within civil engineering projects.
Technical assessments
Technical assessments for the evaluation of projects, engineering works and existing structures.
Trust & reputation

ranQ Trust Score of Bureau d'ingénieurs civils Raphaël Bonvin Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 96% · As of October 2026

Bureau d'ingénieurs civils Raphaël Bonvin Sàrl scores 61.3 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.68.224%
  • 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.17.610%
  • 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.95.08%
Bureau d'ingénieurs civils Raphaël Bonvin Sàrl scores 67.8 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.64.612%
  • 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'ingénieurs civils Raphaël Bonvin Sàrl 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'ingénieurs civils Raphaël Bonvin Sàrl scores 1.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.1.44%
  • 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'ingénieurs civils Raphaël Bonvin Sàrl reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route du Lac 6
1978 Lens

At a glance

Legal form
Limited Liability Company
UID
CHE-248.432.681
Founded
2021 · 5 years
Last commercial register change
October 4, 2021
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.88.06%
  • 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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