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DirectoryEnergy & EnvironmentSolar & PhotovoltaicsObfeldenGRB - Energie Grünenwald
GRB - Energie Grünenwald Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of GRB-Energie is consulting and implementing sustainable energy solutions for private individuals and companies. The specific activities include: replacement of heating systems, planning and installation of solar and PV systems, energy and operational optimization, alternative energies, building renovation, and application for subsidies. The company offers tailored solutions and individual consulting to support customers in optimizing their energy supply.

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Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered6
Heating system replacement
Modern, energy-efficient heating systems for switching to renewable heat and lower operating costs.
Solar & PV systems
Planning and consulting for using solar energy for heat and power supply.
Energy and operating optimization
Analysis and optimization of existing systems for higher efficiency and lower energy costs.
Alternative energies
Consulting and implementation of energy concepts with alternative energy sources.
Building refurbishment
Energy-efficient refurbishments to improve living comfort and reduce energy costs.
Subsidies
Support with the application for funding for energy and renovation projects.
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GRB - Energie Grünenwald

Trust & reputation

ranQ Trust Score of GRB - Energie Grünenwald

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

GRB - Energie Grünenwald 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%
GRB - Energie Grünenwald scores 69.6 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%
GRB - Energie Grünenwald 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%
GRB - Energie Grünenwald scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Wolserstrasse 45a
8912 Obfelden

At a glance

Legal form
Sole proprietorship
UID
CHE-154.054.061
Founded
2018 · 8 years
Last commercial register change
August 17, 2018
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.
67.0
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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