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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsNyonCleanOsolar Sàrl
CleanOsolar Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

CleanOsolar Sàrl provides cleaning and maintenance services for photovoltaic panels on residential, commercial and agricultural roofs. Depending on the roof, the company uses remotely operated robots or telescopic poles, and supplies an intervention report with before-and-after photos and any issues observed.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Photovoltaics
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4.3/5

CleanOsolar Sàrl

✓ Offered4
Solar Panel Cleaning
Cleaning of solar modules with demineralised water and brush, on homes, commercial and agricultural roofs, and solar farms; including before-and-after report and visual inspection.
Maintenance Contracts for Solar Installations
Annual or biennial contracts for recurring cleaning, with scheduled visits, reduced flat-rate pricing and coordinated intervention planning on request.
Reporting and Yield Measurement
Before-and-after inverter data comparisons, photos, and documentation of cleaned surfaces, encountered soiling and any defects found on the installation.
High-Access Cleaning with Aerial Lift
Cleaning of roofs that are inaccessible or difficult to access using an aerial lift when safe access is otherwise not possible; billed as an extra item in the quote.
Trust & reputation

ranQ Trust Score of CleanOsolar Sàrl: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

CleanOsolar Sàrl scores 90.4 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.90.824%
  • 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.85.610%
  • 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.95.08%
CleanOsolar Sàrl 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%
CleanOsolar Sàrl 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%
CleanOsolar Sàrl scores 11.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.11.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CleanOsolar Sàrl reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 28 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 28 reviews across all connected sources

Sources
GGoogle528
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de Saint-Cergue 311
1260 Nyon
Opening hours
Mon
08:30 - 18:00
Tue
08:30 - 18:00
Wed
08:30 - 18:00
Thu
08:30 - 18:00
Fri
08:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-416.093.340
Founded
2022 · 4 years
Last commercial register change
December 17, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VDNyon
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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