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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsLohn-AmmannseggSunside Energy AG
Sunside Energy AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sunside Energy AG designs, installs and maintains photovoltaic systems and provides energy storage and e-mobility charging solutions.

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Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered6
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Sunside Energy AG

Solar systems
Planning, installation, maintenance and accessories for solar systems; including individual solutions for different roof types and system variants.
Energy storage
Energy storage solutions for solar power, for use when needed, increasing self-consumption and with an integrated emergency power function.
E-mobility
Solutions for charging electric vehicles with solar power; for private individuals, businesses and municipalities, including planning, installation and maintenance of the charging infrastructure.
Solar system installation
Custom installation for flat-roof, in-roof, roof-mounted as well as facade and railing systems, tailored to roof condition, statics and structural conditions.
Maintenance and repair of solar systems
Regular inspections, cleaning, cabling checks, monitoring of inverters, fault diagnosis, repair and replacement of defective parts.
Energy management for solar power
Optimization of self-consumption and storage with intelligent control for heat pump, boiler and direct consumption for e-mobility.
Trust & reputation

ranQ Trust Score of Sunside Energy AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

Sunside Energy AG scores 77.0 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.79.424%
  • 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.52.910%
  • 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%
Sunside Energy AG scores 70.4 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.64.612%
  • 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%
Sunside Energy AG 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%
Sunside Energy AG scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sunside Energy AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Industriestrasse 10
4573 Lohn-Ammannsegg

At a glance

Legal form
Corporation
UID
CHE-307.707.409
Founded
2021 · 5 years
Last commercial register change
July 15, 2026
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.
100.0
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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