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

About the company

The core activity of Wintisolar is consulting, planning, designing and installing photovoltaic systems in the Winterthur region.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered5
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4.0/5

Genossenschaft Wintisolar

Photovoltaic consulting, planning and installation
Consulting, planning and installation of photovoltaic systems for associations, public institutions, businesses, and single- and multi-family homes.
Electrical installations
Electrical installations in and around the building, including implementation related to photovoltaic systems.
Planning, tendering and feasibility studies
Planning for complete solar installations, tendering, feasibility studies and client representation for solar installation projects.
Maintenance, servicing and repowering of solar installations
Maintenance contracts, care of green roofs, cleaning of PV modules, monitoring and inspection, repowering of existing systems, and analyses of faulty solar installations.
Impuls advisory «renewable heating»
Advisory for an upcoming replacement of the heating system, including cost estimates and recommendations for single- and multi-family homes with up to five units.
Trust & reputation

ranQ Trust Score of Genossenschaft Wintisolar: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Genossenschaft Wintisolar scores 68.0 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.76.724%
  • 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%
Genossenschaft Wintisolar scores 76.0 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.79.212%
  • 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.55.07%
Genossenschaft Wintisolar 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%
Genossenschaft Wintisolar scores 31.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

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

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Lindenstrasse 24
8400 Winterthur
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Cooperative
UID
CHE-263.411.083
Founded
2018 · 8 years
Last commercial register change
November 28, 2025
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.
97.0
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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