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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerChavannes-Près-RenensEner50 Sàrl
Ener50 Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Ener50 Sàrl is an independent engineering and consulting firm focused on energy efficiency and decarbonisation. It conducts energy audits and carbon assessments, analyses energy systems, implements building management solutions, and supports projects from planning through commissioning.

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Offering

Products & services

Industry:Engineer
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3.4/5

Ener50 Sàrl

Energy consulting
Sustainability consulting
✓ Offered4
PEIK energy audit
PEIK energy audit for SMEs and commercial buildings, with on-site analysis, consumption review, action plan, subsidy applications and support through implementation.
GHG Protocol carbon footprint assessment
Carbon footprint assessment according to GHG Protocol with scopes 1, 2 and 3, data collection, emissions calculation, breakdown by category and reduction path.
Energy mix analysis
Energy mix analysis for photovoltaic, heat pump and biomass solutions, with feasibility study, sizing, cost estimate, tendering and site supervision.
Building control software
Building control software for existing systems, with connectivity, automation, commissioning, training and control of heating, ventilation, lighting and energy use.
Trust & reputation

ranQ Trust Score of Ener50 Sàrl: 3.4 out of 5.0

Trust Score3.4/ 5.0

Solid

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Data basis 54% · As of November 2026

Ener50 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%
Ener50 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%
Ener50 Sàrl 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%
Ener50 Sàrl scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ener50 Sàrl reaches a ranQ Trust Score of 3.4 out of 5.0 — rated «Solid». 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 November 2026.

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

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Location

Rue Catherine Colomb 7
1022 Chavannes-Près-Renens

At a glance

Legal form
Limited Liability Company
UID
CHE-271.307.298
Founded
2026 · 0 years
Last commercial register change
February 24, 2026
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.
88.0
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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