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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMassongexDARBELLAY EXPERTISE
DARBELLAY EXPERTISE Logo
Verified· 2 sourcesTrust Score
Summary

About the company

DARBELLAY EXPERTISE is an independent office for asbestos and construction pollutant diagnostics. The company carries out inspections, sampling, laboratory analyses, and reports on asbestos, PCB, PAH, lead, and heavy metals.

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Products & services

Industry:Technical Consulting & EngineeringTesting & Inspection CentersCivil Engineering Firms
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DARBELLAY EXPERTISE

✓ Offered6
Asbestos survey before renovation and demolition
Survey of asbestos-suspect materials before renovation, conversion or demolition; with destructive openings when needed, sampling, laboratory analysis and a signed report.
Asbestos survey in occupied buildings
Assessment of visible or accessible asbestos-suspect materials in occupied buildings; evaluation of condition, urgency and risks for occupants.
Asbestos air measurement (VDI 3492)
Clearance measurement after remediation: measurement and counting of asbestos fibres in air to release areas and return them to occupants.
PCB survey
Assessment of polychlorinated biphenyls in joint sealants, paints, renders and older technical components; sampling, laboratory analysis and disposal classification.
PAH survey
Assessment of polycyclic aromatic hydrocarbons in bituminous adhesives, sealings, surfacing layers and tar-based coatings; sampling, laboratory analysis and disposal classification.
Lead and heavy metal survey
Assessment of lead, cadmium, chromium, zinc and mercury in old paints, renders and coatings; sampling, laboratory analysis and guidance for worker protection and disposal.
Trust & reputation

ranQ Trust Score of DARBELLAY EXPERTISE

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, Website authority, Media authority

Data basis 50% · As of October 2026

DARBELLAY EXPERTISE 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%
DARBELLAY EXPERTISE scores 46.3 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%
DARBELLAY EXPERTISE 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%
DARBELLAY EXPERTISE has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% 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
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 50%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority, Media authority. As of October 2026.

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

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Location

Route du Chablais 20
1869 Massongex

At a glance

Legal form
Sole proprietorship
UID
CHE-151.760.576
Founded
2025 · 1 year
Last commercial register change
August 19, 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.
67.0
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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