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

About the company

HEIM AG Solarsysteme designs, installs and maintains photovoltaic systems and related components such as inverters, battery storage, e‑charging stations and grid separation. The company delivers customised solutions for residential, commercial and industrial projects, including system planning, permitting and ongoing maintenance and support.

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Products & services

Industry:Solar & Photovoltaics
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HEIM AG Solarsysteme

6
Photovoltaic systems
Photovoltaic systems for residential buildings, businesses and industrial plants; planning, sizing, installation and commissioning of solar systems for power generation.
Battery storage
Battery storage for buffering solar power, increasing self-consumption and providing supply when there is no sunlight or at night.
Energy management systems
Energy management for monitoring and controlling the system, linking modules, inverters, storage units and loads, and optimising the energy flow.
Consulting, design and project management
Personal consulting, technical design, administrative registrations with authorities, coordination of external partners and administrative processing of grants for photovoltaic projects.
Assembly and installation of photovoltaic systems
Assembly, installation, connection and commissioning of photovoltaic systems, including mounting structure, cabling, safety documentation and acceptance measurements.
Service, support and remote maintenance
Long-term service and support for photovoltaic systems, remote maintenance, analyses and programming, and periodic cleaning of the modules when needed.
Trust & reputation

ranQ Trust Score of HEIM AG Solarsysteme: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

HEIM AG Solarsysteme scores 63.5 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.73.124%
  • 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.35.310%
  • 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%
HEIM AG Solarsysteme scores 89.3 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.100.012%
  • 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.70.07%
HEIM AG Solarsysteme 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%
HEIM AG Solarsysteme scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HEIM AG Solarsysteme reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Wittenwilerstrasse 31
8355 Aadorf

At a glance

Legal form
Corporation
UID
CHE-115.308.329
Founded
2009 · 17 years
Last commercial register change
January 12, 2026
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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