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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringNeuchâtelProna Romandie SA
Prona Romandie SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Prona Romandie SA is an environmental and technical consultancy providing studies, expert assessments and advisory services in environmental protection, occupational safety, acoustics and building physics. Core services include environmental consulting, water and soil protection, contaminated-site investigations and remediation, fire-protection advice, waste and pollutant diagnostics, and GIS/BIM support.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered12
Environmental studies and consulting
Mandates, expert reports and consulting services for environmental and personal protection, with expertise in hydrogeology, biology, geography and acoustics.
Workplace safety
Advice and expert reports on workplace safety, including project support and compliance with health protection standards.
Acoustics, noise and vibration
Acoustics services for buildings and offices, noise and vibration treatment, analyses of acoustic quality and compliance with regulatory requirements.
Building physics
Building-physics services, including territorial energy planning and project support related to the energy transition of districts.
Water management and protection
Hydrogeological studies, monitoring of karst springs, tracer tests and analyses of the links between contaminated sites and drinking-water intakes.
Contaminated sites
Investigations of contaminated sites and support for remediation, in line with the federal ordinance on the remediation of contaminated sites.
Building waste and pollutants
Asbestos and other building pollutant diagnostics, monitoring of asbestos removal work and waste management for renovation-related waste.
Nature and landscape
Plans for differentiated management, awareness and training for the management of invasive neophytes, support for revitalisation and maintenance projects for natural environments.
Fire protection consulting
Consulting and fire protection concepts for renovation and execution projects, with implementation of the fire safety plans and safety requirements.
Soil protection
Soil protection services on construction sites and support for projects related to soil revitalisation and conservation.
Impact study (EIE) and environmental monitoring (SER)
Impact studies and environmental monitoring of projects, including support for planning mandates and associated environmental requirements.
GIS
GIS and BIM services for managing, integrating and operating spatial data in engineering and environmental projects.
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3.8/5

Prona Romandie SA

Trust & reputation

ranQ Trust Score of Prona Romandie SA: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Prona Romandie SA scores 59.9 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.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.88.08%
Prona Romandie SA scores 62.4 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.58.012%
  • 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%
Prona Romandie 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%
Prona Romandie SA scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Prona Romandie SA 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

Place Numa-Droz 2
2000 Neuchâtel

At a glance

Legal form
Branch
UID
CHE-309.815.903
Founded
2022 · 4 years
Last commercial register change
August 31, 2022
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.
76.0
6%
  • 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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