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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsBuchs SgImpact Solar AG
Impact Solar AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Impact Solar AG is the planning, installation and maintenance of solar systems as well as the generation of renewable energy through solar energy. The company also offers contracting programs, where it uses the roof surfaces of customers for the generation of solar energy and allows customers to benefit from the generated energy costs.

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Offering

Products & services

Industry:Solar & Photovoltaics
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3.9/5

Impact Solar AG

✓ Offered
10
Solar installations
Solar installations for households and businesses, including planning, installation and commissioning, project management, permits and registrations, as well as maintenance.
Energy storage
Energy storage for self-consumption of self-generated solar power, matched to the energy usage profile; including maintenance of existing battery storage systems.
EV charging stations
EV charging stations in combination with solar installations, for private households and businesses.
Contracting for solar installations
Rental of roof areas for solar installations, with financing and operation by Impact Solar, with lease payments or a lower electricity price for owners.
Consulting
Consulting on the suitability of buildings for solar installations and on questions relating to solar modules and implementation.
Planning
Planning of solar installations for a fixed price with free selection of components.
Project management
Specialist site supervision and project management for the implementation of solar installations.
Installation
Installation and commissioning of solar installations by trained professionals with proper execution.
Permits & registrations
Submission of the required permits and registrations for the implementation of solar installations.
Maintenance
Maintenance work on solar installations as well as support for battery storage systems.
Trust & reputation

ranQ Trust Score of Impact Solar AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Impact Solar AG scores 60.4 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.70.824%
  • 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.27.910%
  • 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%
Impact Solar AG scores 76.5 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.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%
Impact Solar AG scores 83.3 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).83.322%
Impact Solar AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Impact Solar AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

An der Saar 18
9470 Buchs Sg
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-211.849.029
Founded
2020 · 6 years
Last commercial register change
March 16, 2021
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.
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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