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

About the company

The core activity of Solar Clean GmbH is the professional cleaning and maintenance of solar systems and photovoltaic systems to maximize their performance and energy yield. This includes the cleaning of solar modules, monitoring and optimization of solar systems, as well as the maintenance of photovoltaic systems to extend their lifespan.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered6
Solar panel cleaning
Solar panel cleaning for single-family homes, multi-family buildings and industrial buildings; gentle cleaning of solar and photovoltaic systems using rotor brushes, robotic systems and osmosis plants.
Maintenance and care of solar systems
Maintenance, care and performance check of solar systems; regular cleaning, coating and inspections to improve efficiency and preserve the value of the systems.
One-time cleaning of solar systems
One-off professional cleaning on request without contractual commitment, suitable after periods of bad weather, heavy pollen drift or for targeted performance optimisation.
Solar panel cleaning for single-family homes
Solar panel cleaning for single-family homes using a gentle rotor brush for higher energy yield and lower electricity costs.
Solar panel cleaning for multi-family buildings
Professional solar panel cleaning for multi-family buildings with rotor brushes or robotic systems to increase system output and use clean energy.
Solar panel cleaning for industrial buildings
Solar panel cleaning for industrial buildings with robotic systems and osmosis plants, designed for large systems and high efficiency.
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4.1/5

Solar Clean GmbH

Trust & reputation

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

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Solar Clean GmbH scores 78.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.80.624%
  • 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.55.910%
  • 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%
Solar Clean GmbH scores 65.0 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.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%
Solar Clean 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%
Solar Clean GmbH 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%
Qualifications+0.00

Solar Clean GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 8 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
5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle58
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Dünnernstrasse 24
4702 Oensingen
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 17:30
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-429.281.141
Founded
2022 · 4 years
Last commercial register change
March 28, 2025
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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