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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorBaselProna AG
Prona AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Prona AG is an engineering services provider specialising in environmental protection, occupational safety and building physics. It offers planning and implementation support for new-build, maintenance and renovation projects and provides specialist services such as environmental consulting, applied ecology, building physics, acoustics/noise control, soil protection, waste and building-pollutant management, UVP/UBB, GIS/BIM and ergonomics.

AI-generated
Offering

Products & services

Industry:Sustainability Sector
✓ Offered10
Environmental consulting
Advisory, planning and support on environmental issues; immissions measurements, air hygiene, radon measurements, drone surveys, major-incident and disaster protection, and water protection for property and transport infrastructure projects.
Applied ecology
Ecological reports and consulting, field surveys of flora, fauna and habitats, promotion and maintenance concepts, replacement and compensation measures, and revitalisation of watercourses and lake shores.
Occupational safety / health protection
Advisory services and support for occupational safety and health protection in companies and on construction sites; storage concepts for hazardous goods, explosion protection documents, hazard analyses, safety concepts, training, and site inspections.
Building physics
Building-physics consulting for sustainable buildings; evidence and concepts for sound, thermal and moisture protection, net zero, Minergie and SNBS, summer heat protection, and building and room acoustics.
Acoustics / noise
Consulting on noise protection, sound insulation and room acoustics; noise reports, noise remediation, measurements and calculations, site monitoring, occupational noise, indoor noise, and room acoustics concepts.
Evidence recording and site monitoring
Proactive evidence recording and site monitoring for construction projects; crack reports, condition surveys, drone surveys, vibration and dust measurements, crack monitoring, settlement and deformation measurements.
Soil protection
Soil-scientific surveys and mapping, soil sampling and assessments, soil protection and reuse concepts, soil-related construction support, land recultivation and final reports.
GIS / BIM
Digital planning and project execution with GIS and BIM; 3D modelling, support in the planning process, use of digital building models, simulations, parameter studies, and transfer of planning information.
Environmental impact assessment / environmental site supervision
Environmental impact assessments and environmental site supervision for plant and infrastructure projects; environmental expert reports, protection and replacement measures, field surveys, environmental reports, UBB, effectiveness monitoring, and water protection.
Applied research
Participation in expert working groups and research projects, technical support for funding programs, standards and guidelines, and for product development and process optimisation.
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4.2/5

Prona AG

Trust & reputation

ranQ Trust Score of Prona AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Prona AG scores 69.7 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.78.124%
  • 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.49.510%
  • 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%
Prona AG scores 84.1 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.70.07%
Prona AG 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 AG scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Prona AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Utengasse 25
4058 Basel
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-400.495.856
Founded
2009 · 17 years
Last commercial register change
December 2, 2024
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.
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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