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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsSchlierenPolar Solar GmbH
Polar Solar GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Polar Solar GmbH provides solar contracting for owners of large roofs and sizable private customers, taking responsibility for the planning, financing, installation, and operation and maintenance of photovoltaic systems. The company leases roof space on long-term contracts, supplies the generated electricity on site, and manages lease payments and billing.

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Products & services

Industry:Solar & Photovoltaics
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Polar Solar GmbH

Solar contracting
Solar contracting for businesses with large roof areas and demanding private customers; planning and construction, financing as well as operation and maintenance of photovoltaic systems.
Roof lease for photovoltaic systems
Lease roof areas for 25–30 years, especially for industrial halls, logistics centres and large private houses; installation of a photovoltaic system and compensation through roof rent.
Commercial analysis
Special audits for large roof areas including structural assessment and grid connection check for commercial buildings and large-scale installations.
Scale installation
Efficient rollouts for large-scale systems by specialized installation teams, including construction, installation, coordination and acceptance.
Lease management
Transparent billing of roof rent and electricity purchase costs in real time, as well as management of lease payments during ongoing operations.
Operation & maintenance of photovoltaic systems
Long-term operation, maintenance, repair and insurance of the system under a full-service model without start-up capital for the customer.
Structural strengthening and maintenance
Structural strengthening and long-term maintenance of buildings in connection with the use of large roof areas and technical modernisation.
Trust & reputation

ranQ Trust Score of Polar Solar GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Polar Solar GmbH 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%
Polar Solar GmbH scores 50.8 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.25.012%
  • 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%
Polar Solar GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Polar Solar GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Unterrohrstrasse 3
8952 Schlieren

At a glance

Legal form
Limited Liability Company
UID
CHE-391.596.686
Founded
2025 · 1 year
Last commercial register change
December 17, 2025
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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