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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersSeuzachWIN Energie AG
WIN Energie AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of GRAVAG Energie AG and GRAVAG Thermo is energy supply and consulting, particularly in the field of heat and energy solutions. This includes the planning, installation, maintenance and repair of heating systems, such as heat pumps, gas and oil heating systems, pellet heating systems, hybrid systems, electricity-generating heating systems and photovoltaic systems. Additionally, the company offers energy consulting, network and technical services, as well as the issuance of building energy certificates (GEAK).

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Products & services

Industry:Energy Suppliers
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WIN Energie AG

Transport Infrastructure Companies
✓ Offered5
Natural gas and biogas supply
Supply of natural gas and biogas for households and connection customers, including connection consultation, questions about appliances and information on heating with biogas.
Heating solutions and heating renovation
Heat and energy solutions for replacement and new installation of heating systems, including advice on gas and oil heating, heat pumps and renovation solutions.
Operation and maintenance of energy distribution grids
Operation, transport, safety and maintenance of gas grids and energy distribution grids for the secure supply of the connected areas.
Energy services and energy consulting
Energy services to optimize energy consumption, including energy consulting, energy-saving tips and support with consumption-related questions.
GEAK consulting and building analysis
Consulting for the Building Energy Certificate of the Cantons (GEAK), including building analysis and support with requirements for gas or oil heating systems.
Trust & reputation

ranQ Trust Score of WIN Energie AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

WIN Energie AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
WIN Energie AG scores 80.4 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.70.07%
WIN Energie AG scores 85.0 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).85.022%
WIN Energie AG scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

WIN Energie AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Schlosserweg 1
8472 Seuzach
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:00
Tue
07:00 - 12:00, 13:30 - 17:00
Wed
07:00 - 12:00, 13:30 - 17:00
Thu
07:00 - 12:00, 13:30 - 17:00
Fri
07:00 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-357.181.834
Founded
2018 · 8 years
Last commercial register change
October 3, 2025
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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