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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorBirmensdorf ZhSemadeni Umwelt & Nachhaltigkeit
Semadeni Umwelt & Nachhaltigkeit Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is environmental consulting and management of environmental projects, particularly in the area of remediation and management of contaminated sites, legacy pollutants and environmental liabilities. The company supports businesses and organizations in implementing sustainability and environmental management, including the development of strategies for energy efficiency, CO2 reduction and circular economy.

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Offering

Products & services

Industry:Sustainability Sector
✓ Offered
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Semadeni Umwelt & Nachhaltigkeit

9
ZRM Coaching
ZRM coaching as resource-oriented self-management, decision-making, personal development and support during transitions, stress and changes in behaviour.
Sustainability coaching and environmental consulting
Environment-oriented corporate management, sustainability coaching, strategy development, sustainable behaviour and support with matters related to environment and sustainability.
Support for SMEs in environment and sustainability
Support for SMEs with environmental and sustainability strategies, ESG, circular economy and sustainability reporting, as well as second opinions.
Support for environmental management
Support regarding climate protection and CO2 management, renewable energies, environmental risks, sustainable financing as well as contaminated sites, landfills and remediation.
Training and continuing education in environment and sustainability
Employee training on environmental and sustainability topics as well as a general introduction to environmental and sustainability aspects.
esg2go sustainability reporting
Support for SMEs in environmental and sustainability reporting with the esg2go service.
Assessment and perspectives on environmental management and sustainability
Technical classifications relating to environmental management, circular economy, sustainable finance, sustainability assessment, resource efficiency and sustainable behaviour.
Consulting on contaminated sites
Contaminated Site Management, follow-up work, municipal landfills and mixed landfills, as well as topics relating to the revision of the Altlastenverordnung.
Market-based environmental instruments
Market-based instruments for environmental protection, a reflected framework for climate protection and climate- and nature-related financial reporting.
Trust & reputation

ranQ Trust Score of Semadeni Umwelt & Nachhaltigkeit: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

Semadeni Umwelt & Nachhaltigkeit 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.
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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%
Semadeni Umwelt & Nachhaltigkeit 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%
Semadeni Umwelt & Nachhaltigkeit 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%
Semadeni Umwelt & Nachhaltigkeit scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Semadeni Umwelt & Nachhaltigkeit 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

Ettenbergstrasse 10
8903 Birmensdorf Zh
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
Sole proprietorship
UID
CHE-481.845.339
Founded
2022 · 4 years
Last commercial register change
December 22, 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.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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