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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement consultantLiestalGreen Zero GmbH
Green Zero GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Green Zero GmbH supports companies, organisations and municipalities with climate strategies, life cycle assessments, emissions reduction and compensation solutions. The company also offers environmental and sustainability certificates as well as its own renaturation areas for offsetting measures.

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Presence

Service area

Offering

Products & services

Industry:Management consultant
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3.9/5

Green Zero GmbH

Research institute
Engineer
Renovation
Nature conservation organization
✓ Offered9
Climate Strategy and Sustainability Consulting
Climate strategies for companies, organisations and municipalities, including climate-neutrality and environmental-neutrality plans plus ISEK and IEQK for municipal and district planning.
Life Cycle Assessment and Environmental Analysis
Life cycle assessments for products, companies and municipalities, including PCF, product LCA, CCF, OEF/O-LCA, Urban Zero and BISKO / City LCH.
Emission Reduction and Building Renovation
Reduction measures in energy supply, building renovation, agriculture and stakeholder activation to lower emissions, resource use and operating costs.
CO2 Compensation and Renaturation
Compensation of unavoidable emissions through own renaturation areas and projects, including natural sites, tiny forests and regional ecological added value.
Climate Adaptation and Resilience Planning
Heat action plans and climate adaptation concepts for cities, social institutions and businesses to reduce risks from heat, drought and heavy rain.
CO2 Certificates
CO2 certificates with traceable compensation, regional renaturation in Germany and documentation for CSR reports, ESG ratings and audits.
Biodiversity Credits
Biodiversity credits for funding projects that preserve or restore habitats, with monitoring, reporting and documented ecological impact.
Environmental Value Certification (Premium Standard)
Certification under the Environmental Value Premium Standard with analysis, support, documentation, evidence handling, auditing and optimisation of environmental performance.
Ecological Compensation Points
Ecological compensation points as a nature-conservation offset instrument for interventions in nature and landscape, including purchase, sale and authority-ready documentation.
Trust & reputation

ranQ Trust Score of Green Zero GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of November 2026

Green Zero 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%
Green Zero GmbH scores 50.8 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.25.012%
  • 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%
Green Zero GmbH 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%
Green Zero GmbH scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Green Zero 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 November 2026.

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

Knowledge

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Location

Sonnenweg 21
4410 Liestal

At a glance

Legal form
Limited Liability Company
UID
CHE-428.570.358
Founded
2025 · 1 year
Last commercial register change
August 11, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BLLiestal
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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