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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorGeneva1 First Dépollution Services SA
1 First Dépollution Services SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of 1First Dépollution Services SA is the execution of works for the removal of environmental pollutants in buildings, particularly in the field of asbestos removal (désamiantage), PCB decontamination (removal of polychlorinated biphenyls) and lead removal. The company also provides consulting services to support private individuals and companies in the remediation of contaminated buildings.

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Offering

Products & services

Industry:Sustainability Sector
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4.0/5

1 First Dépollution Services SA

✓ Offered3
Asbestos abatement
Asbestos abatement of buildings and infrastructure, asbestos diagnostics, containment, removal, waste disposal, final inspections and regulatory coordination.
Site decontamination and remediation
Site and building decontamination and remediation, diagnostics of pollutants, planning, remediation work, final inspection and administrative support.
Decontamination of building pollutants
Decontamination of asbestos, lead, PCBs, PAHs and HBCD, with safeguarding of occupants, workers and the environment.
Trust & reputation

ranQ Trust Score of 1 First Dépollution Services SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

1 First Dépollution Services SA 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%
1 First Dépollution Services SA scores 71.3 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.70.07%
1 First Dépollution Services SA 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%
1 First Dépollution Services SA scores 7.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.7.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

1 First Dépollution Services SA 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 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

Avenue d'Aïre 54
1203 Geneva

At a glance

Legal form
Corporation
UID
CHE-160.441.495
Founded
2022 · 4 years
Last commercial register change
July 4, 2022
Employees
11 to 20
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.100.06%
  • 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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