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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringVersoixCOGEN Energies SA
COGEN Energies SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Cogen Energies SA is an engineering firm specializing in the planning and implementation of energy efficiency and sustainability projects. The core activities include: energy planning, sustainable construction, heating, ventilation and air conditioning, sanitary engineering, electrical engineering, and control technology. The company offers services such as energy audits, planning and implementation of energy efficiency measures, as well as the development of sustainable solutions for the production and distribution of heat and cold.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered7
Energy planning
Support for energy transition projects, regional energy concepts, studies for district energy centres, advice for public authorities and private entities, audits PEIK, CECB, IDC and Cité de l’Énergie.
Sustainable construction
Support for construction projects and renovations, building physics, analyses of building defects, Minergie, Minergie-P and Minergie-ECO dossiers, thermal bridge calculations, 2D, 3D and BIM plans.
Heating
Studies for new-build and renovation projects, heat production and distribution, design and sizing, 2D, 3D and BIM plans, specifications, heat-pump solutions, cogeneration, wood, solar.
Ventilation & refrigeration
Ventilation and air-conditioning studies for new-build or renovation projects, hygro ventilation A or B, recovery, double-flow ventilation, air conditioning, design, sizing, 2D, 3D and BIM plans.
Sanitary
Support for sanitary installations in construction and renovation, water treatment, recovery of rainwater and wastewater, design, network sizing, tender documents and gas sizing.
Electricity
Support for electrical distribution boards, telecommunications, electrical installations and compliance, lighting studies, load for electric vehicles, photovoltaic studies, power balance.
Controls (MCR)
Energy monitoring and optimisation of technical installations, functional descriptions, specifications, point lists, supervision, monitoring, audits, energy follow-up and optimisation.
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4.1/5

COGEN Energies SA

Trust & reputation

ranQ Trust Score of COGEN Energies SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

COGEN Energies SA 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.
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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%
COGEN Energies SA scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
COGEN Energies SA scores 83.3 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).83.322%
COGEN Energies SA scores 1.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

COGEN Energies SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Secure profile

Location

Quai de Versoix 17
1290 Versoix

At a glance

Legal form
Corporation
UID
CHE-101.837.805
Founded
1991 · 35 years
Last commercial register change
June 3, 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.
100.0
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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