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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryEnergy IndustryFiezYersin Energie Sàrl
Yersin Energie Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Yersin Energie Sàrl provides solar energy services including system design, installation, maintenance, battery storage integration and energy consulting for residential, commercial and industrial projects.

AI-generated
Offering

Products & services

Industry:Energy Industry
✓ Offered9
Solar panel installation
Installation of solar panels and related equipment at residential, commercial or industrial sites; site assessment, system design and connection.
Maintenance and repair of solar systems
Regular maintenance, inspections, cleanings and repairs of solar installations to maintain optimal performance and a long service life.
Solar system design
Tailored design of solar energy systems matched to energy requirements, available space and site conditions.
Solar energy consulting
Advice on energy use, possible savings and integrating solar into an overall energy strategy.
Solar feasibility study
Analysis of the feasibility of a solar project for a given site, based on sun exposure, roof orientation and energy requirements.
Battery storage solutions
Installation of storage systems to preserve excess solar energy and use it when sunlight is not available.
Clean energy solutions
Solutions around solar, wind, hydropower, geothermal and biomass energy to generate renewable power and reduce emissions.
Eco-friendly heating
Heating solutions using heat pumps, solar thermal systems, pellet stoves, modern wood heating and geothermal heating.
Water softener
Water softening solutions to reduce limescale, protect installations and improve home comfort and maintenance.
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4.1/5

Yersin Energie Sàrl

Trust & reputation

ranQ Trust Score of Yersin Energie Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Yersin Energie 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%
Yersin Energie Sàrl scores 79.8 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.92.512%
  • 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%
Yersin Energie 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%
Yersin Energie Sàrl scores 8.9 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 35.8.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Yersin Energie Sàrl 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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Location

En Ressinget 23
1420 Fiez

At a glance

Legal form
Limited Liability Company
UID
CHE-405.615.317
Founded
2014 · 12 years
Last commercial register change
December 20, 2024
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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