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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsZurichTrioSolar GmbH
TrioSolar GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of TrioSolar is the planning, installation and maintenance of photovoltaic systems, including the provision of components and solutions for the efficient use of solar energy, such as energy storage systems and zero-emission connections (ZEV).

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Service area

Offering

Products & services

Industry:Photovoltaics
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3.8/5

TrioSolar GmbH

✓ Offered5
Photovoltaic system
Photovoltaic solutions with customised planning, installation and commissioning for buildings; designed for energy efficiency, self-consumption and long-term power supply.
Maintenance & servicing
Preventive maintenance, servicing and service agreements for solar systems; including damage assessment, expert reports and support in case of hail damage.
Energy storage
Energy storage solutions for photovoltaic systems to store surplus energy, use it when needed and increase independence from the power grid.
ZEV
Self-consumption community with advice, concept development, establishment and implementation; including legal and financial support as well as metering and billing solutions.
Components
Solar modules, inverters, mounting substructures, power optimisers and fall protection for photovoltaic systems, matched to project requirements and installation.
Trust & reputation

ranQ Trust Score of TrioSolar GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 54% · As of November 2026

TrioSolar 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%
TrioSolar GmbH scores 61.5 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.50.012%
  • 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%
TrioSolar GmbH 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%
TrioSolar GmbH scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TrioSolar GmbH reaches a ranQ Trust Score of 3.8 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 November 2026.

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

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Location

Buckhauserstrasse 28
8048 Zurich
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-198.040.124
Founded
2023 · 3 years
Last commercial register change
August 19, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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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