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DirectoryEnergy & EnvironmentSolar & PhotovoltaicsBollGenossenschaft OPTIMA-SOLAR Worblental
Genossenschaft OPTIMA-SOLAR Worblental Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of OptimaSolar Worblental is the production of solar power on rented roofs, particularly on larger properties or commercial enterprises, and the sale of this power. The company finances its investments through equity from its cooperative members and operates as an independent, regional cooperative.

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Products & services

Industry:Solar & Photovoltaics
✓ Offered5
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Genossenschaft OPTIMA-SOLAR Worblental

Build and operate photovoltaic plants
Photovoltaic plants on the roofs of commercial buildings, public buildings and private homes; regional solar power production, construction and operation of plants.
Make a roof available
Provide a roof for a photovoltaic installation; OptimaSolar builds the system on it, issues participation certificates as compensation and checks the technical requirements.
Obtain self-produced power
Use solar power produced on site from your own or a neighbouring roof; self-produced electricity use with feed-in to the grid and remaining supply from the public network.
Set up a self-consumption community
Set up a ZEV for multi-family houses or industrial buildings; use solar power together with neighbours, co-owners, tenants or leaseholders, with billing handled by OptimaSolar.
Become a cooperative member
Subscribe cooperative shares, provide cooperative capital and take part in financing new solar installations as well as in profit sharing.
Trust & reputation

ranQ Trust Score of Genossenschaft OPTIMA-SOLAR Worblental: 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.

Genossenschaft OPTIMA-SOLAR Worblental 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%
Genossenschaft OPTIMA-SOLAR Worblental scores 87.7 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.97.712%
  • 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%
Genossenschaft OPTIMA-SOLAR Worblental 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%
Genossenschaft OPTIMA-SOLAR Worblental scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Genossenschaft OPTIMA-SOLAR Worblental 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

Unterer Strassackerweg 19
3067 Boll

At a glance

Legal form
Cooperative
UID
CHE-146.417.492
Founded
2012 · 14 years
Last commercial register change
June 14, 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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