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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryWollerauSchumacher Kanalunterhalt AG
Schumacher Kanalunterhalt AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schumacher Kanalunterhalt AG is sewer cleaning, particularly suction and flushing work and disposal, as well as additional services such as winter services and maintenance work in the field of sewer maintenance.

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Offering

Products & services

Industry:Waste Management Industry
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3.8/5

Schumacher Kanalunterhalt AG

✓ Offered
4
Vacuum extraction services
Vacuum extraction services for oil separators, grease separators, sludge collectors, wastewater pumping, sewage pits, sludge and rain basins, plus surface cleaning, water pollution, flooding and remediation work.
Flushing and pipe cleaning services
Flushing and pipe cleaning services for drainage systems, seepage lines, foul-water mains, stormwater lines, roof drainage, laundry rooms, floor drains, downpipes, new-build flushing and cleaning of all kinds.
Waste disposal
Waste disposal for material from settling tanks, flushed sludge, wastewater, flushing water and contents from oil separators, grease separators and sludge collectors.
Winter maintenance service
Winter maintenance with snow clearing for parking areas, house entrances and large industrial sites using special snow vehicles.
Trust & reputation

ranQ Trust Score of Schumacher Kanalunterhalt AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Schumacher Kanalunterhalt AG scores 62.0 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.70.824%
  • 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.27.910%
  • 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.78.08%
Schumacher Kanalunterhalt AG scores 67.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Schumacher Kanalunterhalt 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%
Schumacher Kanalunterhalt AG scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schumacher Kanalunterhalt 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 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Roosstrasse 47
8832 Wollerau
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-343.221.054
Founded
2022 · 4 years
Last commercial register change
June 20, 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.
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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