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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsGamsSupersolar Wilhelm
Supersolar Wilhelm Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the sale of solar products and the consulting of customers in the selection and implementation of solar energy solutions for private and commercial purposes.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered9
Balcony power systems
Balcony power systems as complete sets with solar modules, microinverters and plug-and-play installation; for apartment, house, balcony, garden or garage, upgradeable with storage.
PV complete systems
PV complete systems for self-installation, including Basic and Premium sets as well as large systems and off-grid standalone systems for power generation without a grid connection.
Solar storage
Solar storage and battery storage for saving solar power, including balcony system storage and power stations.
Solar panels
Monocrystalline, flexible as well as mobile and foldable solar panels for various solar and self-installation applications.
Inverters
Solar inverters, microinverters and sine inverters for PV systems and solar installations.
Solar charge controllers
MPPT charge controllers for solar systems and battery charging.
Mounting hardware and accessories
Mounting hardware, accessories and other components for the safe installation and expansion of solar systems.
Assembly and installation service
Assembly, installation and support for implementing solar systems and balcony power systems.
Solar for campers and camper conversions
Solar power supply and electrical components for campers and caravans, supplemented with water, heating and cooling components in the camper conversion.
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4.1/5

Supersolar Wilhelm

Trust & reputation

ranQ Trust Score of Supersolar Wilhelm: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Supersolar Wilhelm scores 87.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.83.724%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.87.310%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.100.08%
Supersolar Wilhelm scores 60.5 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.58.012%
  • 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%
Supersolar Wilhelm 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%
Supersolar Wilhelm scores 3.7 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 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Supersolar Wilhelm reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 30 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 30 reviews across all connected sources

Sources
GGoogle4.830
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Underfelsbach 20
9473 Gams

At a glance

Legal form
Sole proprietorship
UID
CHE-395.143.237
Founded
2022 · 4 years
Last commercial register change
November 9, 2022
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.
67.0
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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