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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingLausannebiol conseils sa
biol conseils sa Logo
Verified· 3 sourcesTrust Score
Summary

About the company

biol conseils sa is an engineering and environmental consultancy offering services such as preliminary studies, strategic support, life-cycle assessments, permit dossier preparation, construction monitoring and operational follow-up.

AI-generated
Offering

Products & services

Industry:Management Consulting
✓ Offered7
Preliminary studies
Preliminary studies, site research, assessment of constraints, comparative study of variants, environmental screening to guide the first project decisions.
Strategic support
Strategic support, multicriteria studies, logistics options, development of masterplans, data analysis, communication and support for negotiation for public projects.
Sustainability
Sustainability, sustainability strategy, CO2 balances, life cycle assessments, decarbonisation action plan, support during the transition, labels and certifications.
Permits
Building permits, permit applications, environmental impact study, land clearing, waste and water management plans, investigations of contaminated sites.
Implementations and construction sites
Environmental monitoring of construction sites, water monitoring, waste management, responses to complaints, surveillance of noise nuisances and dust.
Technical expertise
Technical expertise in waste, surface and groundwater, soils, natural environments, forests, landscape, risks, contaminated sites, noise remediation and air protection.
Operations monitoring
Operations monitoring, operating regulations, sampling and analyses of discharges, water monitoring, waste management, noise nuisances and atmospheric discharges.
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4.0/5

biol conseils sa

Trust & reputation

ranQ Trust Score of biol conseils sa: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

biol conseils sa scores 50.9 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.50.024%
  • 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%
biol conseils sa scores 92.5 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.70.07%
biol conseils sa 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%
biol conseils sa scores 80.0 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 35.80.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

biol conseils sa reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 1.0 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
1
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle11
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rue des Terreaux 17
1003 Lausanne
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.998.749
Founded
1987 · 39 years
Last commercial register change
July 21, 2026
Employees
11 to 20
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

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