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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryRorschacherbergEWK Kanalservice GmbH
EWK Kanalservice GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of EWK GmbH is the rehabilitation and inspection of sewer systems, particularly in the areas of: sewer rehabilitation, sewer TV inspections, drain cleaning, and flushing of sewer pipes. The company offers various services to ensure smooth wastewater management in the residential sector, including the removal of blockages and deposits in the pipes, as well as the implementation of regular maintenance and upkeep work.

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Products & services

Industry:Waste Management Industry
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EWK Kanalservice GmbH

✓ Offered4
Sewer rehabilitation
Sewer rehabilitation using the Kurzliner process, Longliner/Brawoliner, as well as Spray-Liner/Brush Coating to repair damaged or leaking pipelines without excavation.
Sewer TV inspection
Sewer TV inspections with mini camera, standard camera and 360-degree camera inspection for pipe diameters from DIN 30 to DIN 600, including video and photo recordings.
Pipe and drain cleaning
Pipe and drain cleaning for blockages, including cleaning of the kitchen, bathroom and toilet, inspection via sewer TV, and removal of deposits.
Flushing
Flushing of main drainage lines in the single-family home sector using flushing vehicles, flushing trailers and flushing trucks for cleaning and maintenance of wastewater pipes.
Trust & reputation

ranQ Trust Score of EWK Kanalservice GmbH

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, Media authority

Data basis 54% · As of October 2026

EWK Kanalservice 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.
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%
EWK Kanalservice GmbH scores 65.0 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.55.07%
EWK Kanalservice GmbH 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%
EWK Kanalservice GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Thalerstrasse 80a
9404 Rorschacherberg

At a glance

Legal form
Limited Liability Company
UID
CHE-158.890.665
Founded
2022 · 4 years
Last commercial register change
December 6, 2022
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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