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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryArisdorfKanal-Institut AG
Kanal-Institut AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Kanal-Institut AG is sewer rehabilitation and drainage technology, including services such as sewer cleaning, sewer inspection, tightness testing, milling work, manual rehabilitation, backflow protection, shaft rehabilitation and spray-brush-coating processes. The company offers customized solutions for individual requirements in the field of sewer rehabilitation and drainage technology.

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Offering

Products & services

Industry:Waste Management Industry
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Kanal-Institut AG

✓ Offered6
Sewer rehabilitation
Trenchless rehabilitation and repair of wastewater pipes using inliner methods, spray-liner, manual rehabilitation and manhole rehabilitation.
Sewer cleaning and maintenance
Periodic cleaning of wastewater pipes, drains, main drains, inspection manholes, stormwater sewers and systems using high-pressure cleaning or suction.
Sewer inspection and condition assessment
Camera-based inspection of pipes, digital image data, and condition reports with photos and plan attachments as a basis for rehabilitation.
Leak testing
Testing of wastewater pipes, sewer systems, manholes and separators for light liquids with water or air, including a digital measurement report.
Milling work
Electromechanical milling, robot and cutter attachments, and high-pressure cleaning to remove deposits and root intrusions.
Backflow prevention
Backflow protection for the sewer house connection with Stop Silent Light®, quickly installed, autonomous and without structural modifications.
Trust & reputation

ranQ Trust Score of Kanal-Institut AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

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Data basis 96% · As of October 2026

Kanal-Institut AG scores 87.3 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.84.024%
  • 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.88.910%
  • 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.95.08%
Kanal-Institut AG scores 70.4 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.64.612%
  • 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%
Kanal-Institut AG 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%
Kanal-Institut AG scores 20.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kanal-Institut AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 32 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
4.8
of 5

Aggregated from 32 reviews across all connected sources

Sources
GGoogle4.832
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hauptstrasse 171
4422 Arisdorf
Opening hours
Mon
07:00 - 11:45, 13:15 - 17:00
Tue
07:00 - 11:45, 13:15 - 17:00
Wed
07:00 - 11:45, 13:15 - 17:00
Thu
07:00 - 11:45, 13:15 - 17:00
Fri
07:00 - 11:45, 13:15 - 17:00
Sat
07:00 - 11:45, 13:15 - 17:00
Sun
07:00 - 11:45, 13:15 - 17:00

At a glance

Legal form
Corporation
UID
CHE-401.823.058
Founded
2021 · 5 years
Last commercial register change
March 13, 2026
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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