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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsMuttenzHelios Solar Energie GmbH
Helios Solar Energie GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Helios Solar Energie is the planning, consulting and implementation of solar projects for private households and companies, including the installation of solar systems and energy storage systems, as well as providing solutions for the energy transition and sustainable energy supply.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered
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4.2/5

Helios Solar Energie GmbH

6
Photovoltaics
Photovoltaic systems for self-generated electricity, with individual planning, consultation, installation and commissioning; solutions for flat and pitched roofs, for private households and commercial use.
Battery storage
Battery storage for solar power for later use, with individual planning, optional backup power function and retrofit for existing PV systems.
Self-consumption optimization
Optimisation of self-consumption with battery storage and intelligent control, so that solar power stays in the home and consumption, charging times and energy flows are adjusted automatically.
E-mobility
Charging solutions for electric cars with self-generated solar power, combined with photovoltaics, battery storage and smart charging infrastructure for home charging.
Heat pumps
Solar-operated heat pump solutions for climate-friendly heating and cooling, using photovoltaics, a storage system and intelligent control.
Roof refurbishment
Roof refurbishments with energy-oriented preparation for photovoltaics, including analysis, planning and execution for pitched roofs, flat roofs and older buildings.
Trust & reputation

ranQ Trust Score of Helios Solar Energie GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Helios Solar Energie GmbH scores 83.8 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.76.724%
  • 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.91.810%
  • 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%
Helios Solar Energie 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%
Helios Solar Energie GmbH 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%
Helios Solar Energie GmbH scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Helios Solar Energie GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 36 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
4.6
of 5

Aggregated from 36 reviews across all connected sources

Sources
GGoogle4.636
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hofackerstrasse 77
4132 Muttenz
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-308.819.577
Founded
2022 · 4 years
Last commercial register change
August 19, 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.
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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