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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsFribourgCoopérative OPTIMA SOLAR Fribourg-Freiburg
Coopérative OPTIMA SOLAR Fribourg-Freiburg Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of OptimaSolar Fribourg-Freiburg consists of planning, building and operating photovoltaic systems on the roofs of companies, public buildings and private homes to produce and sell renewable energy in the form of solar power.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered3
Local solar electricity
100% local solar electricity, purchasable independently of the electricity supplier; with origin certificates and a contribution to financing new solar power plants in the canton.
Co-operative participation via share certificates
Subscription of share certificates to finance photovoltaic installations, become a co-operative member, receive a right to vote and an annual interest depending on the results.
Construction and operation of photovoltaic installations
Construction and operation of solar installations on the roofs of businesses, public buildings and private homes in the Fribourg region.
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4.1/5

Coopérative OPTIMA SOLAR Fribourg-Freiburg

Trust & reputation

ranQ Trust Score of Coopérative OPTIMA SOLAR Fribourg-Freiburg: 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.

Coopérative OPTIMA SOLAR Fribourg-Freiburg 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%
Coopérative OPTIMA SOLAR Fribourg-Freiburg scores 84.2 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.89.612%
  • 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%
Coopérative OPTIMA SOLAR Fribourg-Freiburg 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%
Coopérative OPTIMA SOLAR Fribourg-Freiburg scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Coopérative OPTIMA SOLAR Fribourg-Freiburg 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

Rue de la Lenda 15
1700 Fribourg

At a glance

Legal form
Cooperative
UID
CHE-356.756.235
Founded
2015 · 11 years
Last commercial register change
February 9, 2022
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.97.06%
  • 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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