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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersScharansSchadstoffscreening.ch GmbH
Schadstoffscreening.ch GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Schadstoffscreening.ch GmbH conducts investigations and analyses of construction-related hazardous substances in buildings planned for renovation, conversion or demolition. Services include sampling, material and dust analyses, reporting and handling of disposal declarations for contaminants such as asbestos, PCB, PAHs, heavy metals and radon; the company is listed with relevant industry bodies and recognized as a pollutant diagnostician.

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Schadstoffscreening.ch GmbH

Offering

Products & services

Industry:Testing & Inspection CentersConstruction & Project Management
✓ Offered7
Hazardous substance testing
Hazardous substance investigations in buildings for renovations, conversions and demolition; clarifications regarding asbestos, PCB, PCP, PAH, formaldehyde, radon and other building contaminants.
Hazardous substance screening
Targeted screening assessments for buildings prior to conversion or demolition to identify contaminants, prepare for dismantling and disposal, and avoid additional costs.
Indoor air measurement
Indoor air measurement according to VDI 3492, as well as measurements for formaldehyde, fine dust PM2.5 and PM10, CO2, including recommendations for action.
Radon measurement
Short-term radon measurement with recommendations for action for residential and occupancy rooms.
Express sampling
Single sampling sessions, for example during bathroom renovation, as a quick hazardous substance check for specific suspected areas.
Hazardous substance testing for EFH / WHG
Standard hazardous substance investigation as a flat-rate package for detached houses and apartments.
Site management
Site management, construction scheduling and inspections for hazardous-material projects, at an hourly rate or project-based flat fee.
Trust & reputation

ranQ Trust Score of Schadstoffscreening.ch GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 54% · As of October 2026

Schadstoffscreening.ch 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.
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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%
Schadstoffscreening.ch 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%
Schadstoffscreening.ch GmbH 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%
Schadstoffscreening.ch GmbH scores 6.6 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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schadstoffscreening.ch GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». 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

Palidetta 8
7412 Scharans

At a glance

Legal form
Limited Liability Company
UID
CHE-464.706.180
Founded
2025 · 1 year
Last commercial register change
August 4, 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.
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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