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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersWallisellenRenewable Energy Exchange (REX) GmbH
Renewable Energy Exchange (REX) GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of REX GmbH is electricity distribution, particularly in cooperation with private and commercial electricity producers or industry-related partners to promote a more sustainable energy supply. Specifically, the company focuses on optimizing the yield of PV systems (photovoltaic systems) and offers services to installers and producers to increase the added value of decentralized energy generation.

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Offering

Products & services

Industry:Energy Suppliers
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Renewable Energy Exchange (REX) GmbH

✓ Offered4
Local Energy Communities (LEG)
Local energy communities and a virtual grouping for self-consumption, shared procurement of locally produced solar power, use across plot boundaries, transparent billing and administrative support.
vZEV
Virtual grouping for self-consumption for multi-family houses, developments, commercial properties and owner associations; shared solar power procurement, digital allocation and transparent internal settlement.
Electricity marketing
Marketing of surplus solar electricity from PV systems in LEG or vZEV, with individual contract models, feed-in remuneration, supplier switching and ongoing administrative processing.
Grid services / system service (SDL)
Integration of PV systems into a grid services pool for grid stabilisation, temporary control by the grid operator and higher compensation for energy not generated.
Trust & reputation

ranQ Trust Score of Renewable Energy Exchange (REX) GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of October 2026

Renewable Energy Exchange (REX) GmbH 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%
Renewable Energy Exchange (REX) GmbH scores 65.0 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.58.012%
  • 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.55.07%
Renewable Energy Exchange (REX) GmbH scores 83.3 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).83.322%
Renewable Energy Exchange (REX) GmbH scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Renewable Energy Exchange (REX) GmbH reaches a ranQ Trust Score of 3.9 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.

Knowledge

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Location

Rosenbergstrasse 27
8304 Wallisellen
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-286.592.713
Founded
2022 · 4 years
Last commercial register change
September 21, 2022
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.88.06%
  • 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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