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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsCarouge GeHélios Energies SA
Hélios Energies SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Helios Energies is the installation of photovoltaic solar panels and heat pumps for private and commercial customers in the cantons of Geneva and Vaud in Switzerland. The company also provides consulting services and maintenance work for these systems.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered5
Photovoltaic Systems
Photovoltaic systems with modules, inverters and mounting on pitched roofs, flat roofs, integrated roofs, solar tiles, pergolas and carports.
Heat Pumps
Heat pumps for heating, domestic hot water and sometimes cooling; air, ground and water sources, with various pump types and installation.
Heat Pump Maintenance and Repairs
Maintenance, inspections, leak checks, troubleshooting and service contracts for installed heat pumps, including online connectivity for suitable models.
Domestic Hot Water Solutions
Domestic hot water solutions with hybrid solar panels or thermodynamic boilers to cover a large share of annual hot water demand.
Heating Systems
Heating systems with central heating, condensing boilers, underfloor heating and solar thermal solutions for residential buildings.
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4.6/5

Hélios Energies SA

Trust & reputation

ranQ Trust Score of Hélios Energies SA: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Hélios Energies SA scores 95.8 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.92.724%
  • 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.100.010%
  • 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%
Hélios Energies SA scores 84.6 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.97.712%
  • 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%
Hélios Energies SA 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%
Hélios Energies SA scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hélios Energies SA reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 123 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
4.9
of 5

Aggregated from 123 reviews across all connected sources

Sources
GGoogle4.9123
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue Baylon 2Bis
1227 Carouge Ge
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
Corporation
UID
CHE-312.371.077
Founded
2012 · 14 years
Last commercial register change
September 18, 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.
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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