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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLausanneRibi SA Ingénieurs Hydrauliciens
Ribi SA Ingénieurs Hydrauliciens Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Ribi SA Ingénieurs Hydrauliciens is an engineering firm specialising in water-related studies, hydraulic design and services for public clients. Services include feasibility studies, hydraulic modelling, stormwater and wastewater system design, treatment and river revitalisation. The company also provides operation and maintenance planning, environmental impact assessments and digital planning tools such as BIM and 3D modelling.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered4
Hydraulic design and studies
Design and dimensioning, feasibility studies, interdisciplinary collaboration for hydraulic projects, from the initial idea to commissioning.
Hydraulic modelling and digital tools
Hydraulic modelling, BIM and 3D tools to anticipate constraints, ensure the reliability of technical choices and optimise costs.
Fluid management, maintenance and upkeep
Fluid management, maintenance and upkeep, regulatory compliance for water-related installations and projects.
Environmental impact and risk assessment
Analysis of environmental impact, risk assessment and sustainable development for hydraulic and territorial projects.
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4.1/5

Ribi SA Ingénieurs Hydrauliciens

Trust & reputation

ranQ Trust Score of Ribi SA Ingénieurs Hydrauliciens: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Ribi SA Ingénieurs Hydrauliciens scores 64.3 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.72.124%
  • 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.40.910%
  • 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%
Ribi SA Ingénieurs Hydrauliciens scores 87.1 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%
Ribi SA Ingénieurs Hydrauliciens 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%
Ribi SA Ingénieurs Hydrauliciens scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ribi SA Ingénieurs Hydrauliciens reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 4 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
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue Juste-Olivier 18 bis
1006 Lausanne
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-404.525.077
Founded
1995 · 31 years
Last commercial register change
April 16, 2014
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.76.06%
  • 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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