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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryLa Chaux-De-FondsDidier Calame - Assainissement, Vidange Sàrl
Didier Calame - Assainissement, Vidange Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Didier Calame Assainissement - Vidange is a specialist in the field of sewer cleaning and maintenance. The core activities include: * Drain clearance (unclogging of sewers) * Sewer cleaning (cleaning of sewers) * Sewer emptying (emptying of sewers, decanters, pits, etc.) * Camera inspection (camera-based inspection of sewers) * Building service (maintenance and cleaning of sewers in buildings) * Mobile toilets (rental of mobile toilets) * Transport (transport of materials and wastewater) The company offers its services to private individuals, companies and public institutions, covering a wide range of needs in the field of sewer cleaning and maintenance.

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Products & services

Industry:Waste Management Industry
✓ Offered6
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4.0/5

Didier Calame - Assainissement, Vidange Sàrl

Drain clearing - sewer cleaning
Unblocking and deep cleaning of drainage pipes of all sizes, using hydro-jetting, Venturi and other techniques; cleaning of roads and carriageways, urgent interventions in the event of contamination and flooding.
Emptying
Emptying of sacks and road catch pits, pumping stations, grease traps, sludge from washing stations, hydrocarbon separators, oil decanters, grit separators, septic tanks and cisterns.
Building service
Emptying, sewer cleaning and maintenance of stormwater grates, lift pits, downpipes, floor drains, drainage and pipelines; unblocking of sanitary installations, camera inspection.
Camera inspection
Video inspection of pipes to detect blockages, leaks and cracks; locating problems and checking networks before repair or before damage worsens.
Mobile toilets
Rental of mobile toilets for events or construction sites.
Transport
Tank transport for slurry and digestate, and skip transport for various materials.
Trust & reputation

ranQ Trust Score of Didier Calame - Assainissement, Vidange Sàrl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Didier Calame - Assainissement, Vidange Sàrl scores 71.9 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.61.924%
  • 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.73.510%
  • 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.100.08%
Didier Calame - Assainissement, Vidange Sàrl scores 68.7 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.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%
Didier Calame - Assainissement, Vidange Sàrl 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%
Didier Calame - Assainissement, Vidange Sàrl scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Didier Calame - Assainissement, Vidange Sàrl reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.2 out of 5 stars from 17 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle4.217
★TrustpilotSoon
PProvenExpertSoon

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

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Location

La Joux-Perret 12
2300 La Chaux-De-Fonds

At a glance

Legal form
Limited Liability Company
UID
CHE-490.297.595
Founded
2022 · 4 years
Last commercial register change
June 6, 2025
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.88.06%
  • 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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