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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsKriessernHansesun Photovoltaik Swiss GmbH
Hansesun Photovoltaik Swiss GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Hansesun is the planning, assembly, installation and maintenance of photovoltaic systems (PV systems) for clean and renewable energy generation. The company also offers additional services such as the integration of heat pumps, hot water and e-car charging stations into the energy system, as well as the sale and installation of power storage and emergency power systems.

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Offering

Products & services

Industry:Solar & Photovoltaics
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4.1/5

Hansesun Photovoltaik Swiss GmbH

✓ Offered6
Photovoltaic systems
Photovoltaic systems for single-family homes, residential complexes, agricultural businesses, commercial buildings and public buildings; planning, installation, commissioning and grid connection from a single source.
Battery storage
Battery storage for photovoltaic systems, also retrofittable; with battery compatibility, emergency power operation and combination with PV systems for higher self-consumption and safety in case of power failure.
EV charging stations
EV charging stations and wallboxes for integration into the energy system; combined with PV systems, battery storage and intelligent control.
Boiler control and surplus optimization
Boiler control and surplus optimization to use solar power for hot water and other household appliances; coordinated with the PV system, battery storage and charging station.
Service and maintenance of PV systems
Service, troubleshooting and repairs for existing photovoltaic systems and battery storage; support with issues, questions about subsidies and quick on-site interventions.
Subsidy and permitting administration
Handling permits, subsidy matters and other formalities related to the PV system; support from the initial request to grid connection.
Trust & reputation

ranQ Trust Score of Hansesun Photovoltaik Swiss GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Hansesun Photovoltaik Swiss 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.
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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%
Hansesun Photovoltaik Swiss GmbH scores 76.0 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.75.012%
  • 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%
Hansesun Photovoltaik Swiss GmbH 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%
Hansesun Photovoltaik Swiss GmbH scores 51.2 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 35.85.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.16.74%
Qualifications+0.00

Hansesun Photovoltaik Swiss 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 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

August 25, 2025Media
Hansesun baut Plus-Energie-Zentrale in St.Margrethen
leaderdigital.ch

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Location

Unterdorfstrasse 87
9451 Kriessern

At a glance

Legal form
Limited Liability Company
UID
CHE-188.150.544
Founded
2019 · 7 years
Last commercial register change
September 12, 2025
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.88.06%
  • 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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