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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsHolderbank SoSE Solar GmbH
SE Solar GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

SE Solar GmbH provides consulting, planning, installation and maintenance for solar thermal systems, photovoltaic systems, wood- and pellet-fired heating systems and heat pumps. The company carries out plant and control engineering, develops custom solutions and services special combustion systems such as flameless oxidation (FLOX).

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Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered4
Solar systems
Planning, consulting, installation and maintenance of thermal solar systems and PV solar systems; including design, implementation and maintenance of individual installations.
Heating systems
Planning, installation and maintenance of pellet and log-fired heating systems, heat pumps and other heating systems; including consulting, design and maintenance.
Plant and control system construction
Plant and control system construction for solar, heating and special installations; including programming, development of tailor-made solutions and optimization of existing systems.
Special installations and R&D development
Research, development and maintenance of special combustion systems, including custom-made solutions and applications such as flameless oxidation (FLOX).
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4.1/5

SE Solar GmbH

Trust & reputation

ranQ Trust Score of SE Solar GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

SE 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%
SE Solar GmbH scores 83.0 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.100.012%
  • 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%
SE 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.
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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%
SE Solar GmbH scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SE Solar GmbH 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

Hauptstrasse 122
4718 Holderbank So

At a glance

Legal form
Limited Liability Company
UID
CHE-104.001.861
Founded
1997 · 29 years
Last commercial register change
March 14, 2024
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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