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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorZurichClassen GmbH
Classen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Classen GmbH provides advisory services to governments, multilateral institutions, NGOs, family offices and corporates on carbon markets and engagement under Article 6 of the Paris Agreement. Its core offerings include policy advisory, business proofing (transactional support and financial modelling for mitigation activities) and practical training with ongoing Q&A support.

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Offering

Products & services

Industry:Sustainability Sector
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Classen GmbH

✓ Offered3
Policy Advisory
Tailored support for governments, organizations and businesses on international carbon markets, Article 6 engagement, regulatory analysis and policy challenges.
Business Proofing
Tailored business support and transactional services for mitigation activities under Article 6, including roadmap design, project document review, drafting and financial modelling.
Training
Practical training programs on carbon markets under Article 6, with workshops on legal aspects, transaction and authorisation processes, financial structuring and implementation, plus ongoing Q&A support.
Trust & reputation

ranQ Trust Score of Classen GmbH

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

Classen 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%
Classen 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%
Classen GmbH 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%
Classen GmbH 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

Kellerweg 1
8055 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-444.868.158
Founded
2022 · 4 years
Last commercial register change
November 7, 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.
88.0
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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