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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsMartignyGreen Helvetia Sàrl
Green Helvetia Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Green Helvetia is the planning, installation and maintenance of renewable energy systems, particularly photovoltaic systems, as well as providing solutions for energy efficiency and environmental protection. The company offers its customers a comprehensive range of services, including the installation of solar panels, maintenance and repair of existing systems, energy efficiency assessments and the implementation of solutions for storing renewable energy.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
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Green Helvetia Sàrl

✓ Offered6
Solar panel solutions
Solar panel solutions for pitched roofs, roof terraces and gardens; residential photovoltaic installations, custom sizing and support through commissioning.
Solar battery
Solar battery to store the electricity generated by the panels, increase self-consumption and reduce dependence on the grid.
Heat pump installation
Installation of heat pumps for home heating; advice, commissioning, administrative procedures, maintenance and monitoring of consumption.
Thermodynamic water heater
Installation of aroSTOR thermodynamic water heaters for domestic hot water; cost-efficient preparation, photovoltaic compatibility, administrative handling and commissioning.
Solar subsidy management
Support with applications to obtain solar subsidies, including assistance with forms and administrative project follow-up.
Optimisation of energy yield
Optimisation of electrical production and efficiency of solar installations, with tailored solutions to improve yield.
Trust & reputation

ranQ Trust Score of Green Helvetia Sàrl: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Green Helvetia Sàrl scores 50.9 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.46.724%
  • 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.45.610%
  • 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.70.08%
Green Helvetia Sàrl scores 73.9 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.70.212%
  • 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.70.07%
Green Helvetia Sàrl 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%
Green Helvetia Sàrl 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

Green Helvetia Sàrl reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.2 out of 5 stars from 5 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
3.2
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle3.25
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue de la Gare 46b
1920 Martigny
Opening hours
Mon
08:00 - 19:00
Tue
08:00 - 19:00
Wed
08:00 - 19:00
Thu
08:00 - 19:00
Fri
08:00 - 19:00
Sat
08:00 - 19:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-282.442.121
Founded
2020 · 6 years
Last commercial register change
November 28, 2025
Employees
11 to 20
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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