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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentZurichGrensol AG
Grensol AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Grensol AG develops and operates a patented recycling process to separate and recover metals, minerals and polymers from hard-to-recycle industrial wastes such as automotive shredder residue (ASR). The recovered streams are supplied as feedstock for industrial reuse, and the company deploys its solution via modular micro‑recycling centres for integration at existing sites.

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Products & services

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4.0/5

Grensol AG

Waste Management Industry
✓ Offered2
Advanced Recycling
Advanced recycling of industrial waste into metals, minerals and plastics; recovery of materials from automotive shredder residue and adaptation to electronic scrap and demolition waste plastics.
Modular Micro-Recycling Centers
Modular micro-recycling centers for integration at existing industrial sites; decentralized processing of aggregated waste with a deployment model tailored to existing logistics and resources.
Trust & reputation

ranQ Trust Score of Grensol AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 58% · As of October 2026

Grensol 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%
Grensol AG scores 70.4 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.64.612%
  • 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%
Grensol AG 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%
Grensol AG scores 35.5 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 35.54.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.16.74%
Qualifications+0.00

Grensol AG reaches a ranQ Trust Score of 4.0 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 58%, 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.

Press

Media

October 6, 2025Media
Grensol: The Venture Leader Cleantech extracting useful raw materials from mixed waste
venturelab.swiss

Knowledge

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Location

Räffelstrasse 11
8045 Zurich

At a glance

Legal form
Corporation
UID
CHE-341.961.559
Founded
2021 · 5 years
Last commercial register change
December 19, 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.
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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