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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsCortaillodALPHA Solar Systems Sàrl
ALPHA Solar Systems Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ALPHA Solar Systems Sàrl plans and installs photovoltaic systems for residential and commercial buildings. Its services also include storage batteries, EV charging stations, solar carports, heat pumps, thermodynamic water heaters, solar façades and barriers, as well as maintenance and servicing.

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Service area

Offering

Products & services

Industry:Photovoltaics
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4.1/5

ALPHA Solar Systems Sàrl

✓ Offered8
Photovoltaic system installation
Photovoltaic installation for houses, residential buildings and commercial buildings; technical study, sizing according to roof and consumption, commissioning, self-consumption and possible integration of a battery or a charging station.
Energy storage battery
Energy storage battery for houses, residential buildings and commercial buildings; design, integration with photovoltaics, optimisation of self-consumption, reduced grid dependence and more flexible energy management.
Charging station
Charging station for houses, residential buildings and commercial buildings; site survey, integration into the existing infrastructure, compatibility with photovoltaics and battery, installation for private or professional use.
Solar carport
Solar carport for homes, businesses and parking lots; protective structure for vehicles, photovoltaic production area, possible integration with a charging station or energy storage battery.
Heat pumps
Heat pumps for houses, residential buildings and commercial buildings; building study, sizing, integration into the existing system, more efficient heating and possible complement to photovoltaics.
Thermodynamic hot water boiler
Thermodynamic hot water boiler for houses, residential buildings and commercial buildings; production of domestic hot water, consumption study, possible integration with a photovoltaic installation and tailored sizing.
Solar facade and solar barrier
Solar facade and solar barrier for buildings; electricity generation on vertical or partition surfaces, architectural integration, enhancement of existing surfaces and a complement to a roof installation.
Maintenance and servicing
Maintenance and servicing of photovoltaic installations and energy systems; inspection, technical checks, preventive maintenance and monitoring of panels, batteries, charging stations and other components.
Trust & reputation

ranQ Trust Score of ALPHA Solar Systems Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

ALPHA Solar Systems Sàrl scores 77.3 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.81.624%
  • 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.58.610%
  • 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.88.08%
ALPHA Solar Systems Sàrl scores 61.5 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.50.012%
  • 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%
ALPHA Solar Systems Sàrl scores 86.7 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).86.722%
ALPHA Solar Systems Sàrl scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ALPHA Solar Systems Sàrl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 9 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de Boudry 22 A
2016 Cortaillod
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-468.308.507
Founded
2023 · 3 years
Last commercial register change
June 15, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • NECortaillod
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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