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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentRecyclingAire-La-VilleCTDS SA
CTDS SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

CTDS SA collects, sorts and treats special waste, offering recycling, recovery and disposal services. Its facilities process, among other materials, acids, alkalis, oily water, solvents and mineral oils; the company also provides waste analyses and logistics for the collection and transport of hazardous waste.

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Service area

Offering

Products & services

Industry:RecyclingWaste disposal
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3.9/5

CTDS SA

✓ Offered12
Recycling and disposal of special waste
Recycling, sorting, treatment and disposal of special waste; regeneration of specific solvents and mineral oils, energy recovery and suitable disposal routes.
Logistics for collecting special waste
Handling of special waste on site, tailor-made collection, transport of hazardous materials, take-back of large volumes using approved tanker trucks or containers.
Approved packaging for special waste
Advice on packaging, provision of approved containers and solutions for transporting special waste, including regular take-backs with container exchange.
Chemical analyses of special waste
Analyses of the waste characteristics, properties and constituents; identification, coding, risk classification, regulatory checks of liquid and gaseous discharges.
Special services for decontamination and dismantling
Dismantling of units, clearing of warehouses or laboratories, disassembly and remediation of equipment containing hazardous products, interventions on site or on a platform.
Physico-chemical treatment of special waste
Treatment of acids, bases, saline solutions and residues containing heavy metals or cyanides via neutralisation, precipitation, flocculation, filtration and redox reactions.
Treatment of hydrocarbon-contaminated water
Handling of oily, hydrocarbon-loaded water from garages, tank cleaning or construction sites, with settling, separation and treatment.
Storage and treatment of solvents and flammable water
Secure storage of solvents and flammable water, treatment of volatile organic compounds, gas neutralisation, condensation and absorption on activated carbon.
Treatment and recovery of mineral oils and emulsions
Storage of mineral oils for recycling or energy recovery; pre-treatment of water-loaded oils and emulsions via settling and phase separation.
Storage of contaminated water and various liquids
Reception, filtration, storage and forwarding of contaminated water containing various pollutants; transfer to internal units or approved centres depending on waste quality.
Reception, draining and warehousing of packaged liquids and waste
Draining of packaged liquid waste, emptying by pumping or gravity, control and secure warehousing of solid and liquid waste awaiting treatment.
Warehousing and reconditioning of reactive products
Secure storage of hazardous and reactive waste, in particular metals, flammable solids and oxidising agents, with reconditioning before dispatch to approved destruction centres.
Trust & reputation

ranQ Trust Score of CTDS SA: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

CTDS SA scores 50.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.53.924%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.55.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
CTDS SA scores 85.5 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.100.012%
  • 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%
CTDS SA scores 86.7 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).86.722%
CTDS SA scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CTDS SA reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 8 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.8
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle3.88
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Route de Verbois 40
1288 Aire-La-Ville
Opening hours
Mon
07:00 - 11:45, 13:15 - 16:00
Tue
07:00 - 11:45, 13:15 - 16:00
Wed
07:00 - 11:45, 13:15 - 16:00
Thu
07:00 - 11:45, 13:15 - 16:00
Fri
07:00 - 11:45, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.652.845
Founded
1993 · 33 years
Last commercial register change
August 13, 2021
Employees
1 to 10

Active in 1 of 26 cantons

  • GEGeneva
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.
100.0
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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