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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryAgriculture & ForestryForestryZurichStephan Hatt Koller Forstingenieur ETH/SIA
Stephan Hatt Koller Forstingenieur ETH/SIA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of services in the field of forestry and forest planning, in particular the development of protection concepts, tendering procedures, operating plans and other forestry planning and consulting services.

AI-generated
Offering

Products & services

Industry:Forestry
✓ Offered3
Silviculture and operational planning
Silviculture, site assessment, operational planning and reforestation for forest ecosystems, production forests and recreational areas; including management plans and silvicultural planning.
Tree consulting and tree protection
Tree consulting, tree inventory and tree protection for trees in built-up areas; considering site requirements, development potential and professional conservation.
Business consulting, geoinformatics and management
Business consulting for forestry businesses, geoinformatics, advice on FSC®/PEFC CoC certification and management; supplemented by data and analysis work.
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3.8/5

Stephan Hatt Koller Forstingenieur ETH/SIA

Trust & reputation

ranQ Trust Score of Stephan Hatt Koller Forstingenieur ETH/SIA: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

Stephan Hatt Koller Forstingenieur ETH/SIA 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%
Stephan Hatt Koller Forstingenieur ETH/SIA scores 60.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Stephan Hatt Koller Forstingenieur ETH/SIA 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%
Stephan Hatt Koller Forstingenieur ETH/SIA scores 4.0 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 35.4.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stephan Hatt Koller Forstingenieur ETH/SIA reaches a ranQ Trust Score of 3.8 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.

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Location

Geibelstrasse 20
8037 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-114.504.158
Founded
2022 · 4 years
Last commercial register change
February 10, 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.67.06%
  • 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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