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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryWittenbachErnst Kast AG
Ernst Kast AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Ernst Kast AG provides sewer and drainage services including canal cleaning, pit emptying, CCTV inspections and a 24-hour emergency service. The company carries out cleaning, inspection and regulated disposal work for residential, commercial and municipal clients, including documented sludge transport for proper environmental disposal.

AI-generated
Offering

Products & services

Industry:Waste Management Industry
✓ Offered3
Drain cleaning
Drain and pipe cleaning with rotating nozzles, propeller nozzles, root cutters, vibration nozzles and CCTV drain inspection for clear lines and to maintain operational reliability.
Shaft emptying
Emptying and cleaning of yard sumps, street sumps, oil separators and pump shafts, including professional disposal of residues in accordance with legal requirements.
CCTV inspection & emergency service
Pipeline and sewer inspections with high-resolution cameras, as well as 24-hour emergency assistance for backflow, blockages and acute drainage problems.
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3.8/5

Ernst Kast AG

Trust & reputation

ranQ Trust Score of Ernst Kast AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 100% · As of October 2026

Ernst Kast AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
Ernst Kast AG 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%
Ernst Kast AG 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%
Ernst Kast AG scores 7.6 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 35.5.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Ernst Kast AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 23, 2013Media
Wechsel von Orange zu Grün
tagblatt.ch

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Location

Arbonerstrasse 41
9300 Wittenbach

At a glance

Legal form
Corporation
UID
CHE-112.877.453
Founded
2006 · 20 years
Last commercial register change
January 24, 2024
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.
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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