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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsAltnauSolar One Invest AG
Solar One Invest AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Solar One Invest AG develops solar projects and plans and installs photovoltaic and solar thermal systems. The company also brokers real estate and arranges financing for solar projects and property purchases.

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Solar One Invest AG

Industry:Photovoltaics
✓ Offered3
Photovoltaic systems
Photovoltaic systems for single-family homes, open-field installations and large projects; including planning, installation of solar modules, as well as thermal solar systems for domestic hot water production and heating support.
Real estate brokerage
Real estate brokerage for plots of land, commercial properties and rental properties; also for properties abroad, buying and selling, as well as brokerage for investors and owners.
Project financing
Project financing for solar installations and real estate; brokerage of mortgages, financing with borrowed capital, as well as taking into account the term, interest rate and funding options.
Trust & reputation

ranQ Trust Score of Solar One Invest AG

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 November 2026

Solar One Invest AG 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%
Solar One Invest AG 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.86.512%
  • 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%
Solar One Invest AG scores 85.0 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).85.022%
Solar One Invest AG 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 November 2026.

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

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Location

Schochenwinkel 7
8595 Altnau

At a glance

Legal form
Corporation
UID
CHE-461.358.361
Founded
2016 · 10 years
Last commercial register change
September 11, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TGAltnau
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.
100.0
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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