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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsNiederweningenOptimaSolar Züri Unterland Genossenschaft
OptimaSolar Züri Unterland Genossenschaft Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of OptimaSolar Züri Unterland is the planning, construction and operation of photovoltaic systems, particularly on the roofs of larger residential and commercial buildings, schools and public buildings, with the aim of producing solar power and contributing to the acceleration of the energy transition.

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Products & services

Industry:Solar & Photovoltaics
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OptimaSolar Züri Unterland Genossenschaft

✓ Offered4
Solar power systems
Solar power systems on the roofs of farms and commercial businesses, public buildings and private homes; large-scale photovoltaic plants in the region, including projects under construction and in operation.
Solar power
Solar power from regional plants; purchase of sustainably produced energy for greater independence from third-party suppliers and to reduce CO2 emissions.
Subscribe to cooperative shares
Acquire or gift cooperative shares; participate in financing new solar power systems with a share certificate for CHF 1'000, including membership and a possible dividend.
Energy storage
Storage solutions for buffering solar surplus, increasing self-consumption and enabling later feed-in or use when needed.
Trust & reputation

ranQ Trust Score of OptimaSolar Züri Unterland Genossenschaft: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 58% · As of October 2026

OptimaSolar Züri Unterland Genossenschaft 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%
OptimaSolar Züri Unterland Genossenschaft scores 70.6 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.58.012%
  • 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%
OptimaSolar Züri Unterland Genossenschaft scores 85.0 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).85.022%
OptimaSolar Züri Unterland Genossenschaft scores 17.9 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 35.25.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

OptimaSolar Züri Unterland Genossenschaft reaches a ranQ Trust Score of 3.9 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 58%, 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.

Press

Media

September 3, 2023Media
Fotovoltaik in Niederweningen: Grösste Solaranlage im Wehntal geht ans Netz
tagesanzeiger.ch

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Location

Hofwies 14
8166 Niederweningen

At a glance

Legal form
Cooperative
UID
CHE-405.125.645
Founded
2022 · 4 years
Last commercial register change
November 15, 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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