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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsEpalingesVolta Swiss Sàrl
Volta Swiss Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Volta Swiss is the development and distribution of renewable energy solutions, particularly in the field of solar energy and hydrogen technology. This includes the installation of solar systems, the manufacture and distribution of solar panels, solar inverters, storage batteries and hydrogen storage systems, as well as the development of solutions for the storage and use of renewable energy.

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Offering

Products & services

Industry:Solar & Photovoltaics
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Volta Swiss Sàrl

✓ Offered7
Turnkey photovoltaic installation
Turnkey photovoltaic installation including planning, mounting of the panels, inverter and battery, AC/DC connection, independent monitoring and commissioning.
BIPV and custom-sized panels
Photovoltaics integrated into the building and panels cut to custom specifications for roofs or facades, with an aesthetic solar integration suited to special geometries.
Solar tiles
Solar tiles in vintage or modern versions, Noble or Pure finishes, available in black, anthracite or terracotta for integrated roofs.
Photovoltaic pergolas and carports
Photovoltaic pergolas and carports for gardens, terraces and parking areas, with an integrated structure or supplied structure, and the option to add battery storage.
Hydrogen energy storage
Solar energy storage solutions in the form of hydrogen for residential use, small businesses and business customers, with energy production, storage and dispatch.
Inverters + batteries
Storage solutions with hybrid inverters and lithium batteries to manage solar energy, the grid and self-consumption, in low- or high-voltage versions.
Sale of solar equipment
Sale of solar panels, inverters, batteries, charging stations, accessories and photovoltaic solutions, reserved for professional customers.
Trust & reputation

ranQ Trust Score of Volta Swiss Sàrl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Volta Swiss Sàrl scores 67.6 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.73.324%
  • 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.78.08%
Volta Swiss 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%
Volta Swiss 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%
Volta Swiss Sàrl scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Volta Swiss Sàrl reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 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
4.8
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.85
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Chemin du Vaugueny 13
1066 Epalinges
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-133.599.610
Founded
2022 · 4 years
Last commercial register change
May 22, 2023
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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