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DirectoryBusiness & Technical ServicesEngineerLausanneVJ Hydrogéologie et Environnement Sàrl
VJ Hydrogéologie et Environnement Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

VJ Hydrogéologie et Environnement Sàrl is a consultancy specialising in hydrogeology, water management and the built environment. Its services include designing infiltration and retention facilities, assessing soil contamination, treating construction-site water, geothermal feasibility assessments and technical expert opinions.

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Products & services

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VJ Hydrogéologie et Environnement Sàrl

✓ Offered6
Hydrogeological Consulting
Hydrogeological assessments, applications for cantonal permits, groundwater characterisation, design of building-integrated groundwater flow systems, and management of groundwater contamination.
Stormwater and Clear-Water Planning
Water management planning, infiltration structures, retention works, and drainage networks for roof runoff and parcel discharge.
Contaminated Soil and Remediation Services
Site and soil diagnostics, remediation cost estimates, management of contaminated excavation material, and supervision of remediation works.
Construction Site Water Treatment
Design of construction-site water treatment systems, sedimentation and neutralisation basins, plus coordination with municipal authorities and periodic checks.
Geothermal Consulting
Sampling of geothermal probes and feasibility assessments in water protection zones.
Technical Expertise and Arbitration Support
Technical opinions in disputes, support for proceedings, and assistance with public permit submissions.
Trust & reputation

ranQ Trust Score of VJ Hydrogéologie et Environnement Sàrl

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of November 2026

VJ Hydrogéologie et Environnement Sàrl 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.
x
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%
VJ Hydrogéologie et Environnement Sàrl scores 40.1 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.0.012%
  • 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%
VJ Hydrogéologie et Environnement Sàrl scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
VJ Hydrogéologie et Environnement Sàrl scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Chemin de la Cigale 8 a
1010 Lausanne

At a glance

Legal form
Limited Liability Company
UID
CHE-192.551.053
Founded
2026 · 0 years
Last commercial register change
September 2, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VDLausanne
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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