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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialist foundation engineeringChurLAO Kanalprofis AG
LAO Kanalprofis AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of LAO Kanalprofis AG is sewer cleaning and maintenance, including the execution of sewer cleaning work, pipeline checks, unclogging, flushing, milling, suction, disposal, high-pressure cleaning, street washing, inspections and structural maintenance work on sewage systems.

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Service area

Offering

Products & services

Industry:Specialist foundation engineeringWaste disposal
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LAO Kanalprofis AG

✓ Offered9
Sewer and drain cleaning
Sewer, pipe and drain cleaning, high-pressure cleaning, flushing and milling, unblocking and cleaning of pipes and sewer systems.
CCTV inspection and pipe check
Camera inspections and professional testing of drainage lines for condition assessment, documentation and evaluation before maintenance or rehabilitation decisions.
Drain and pipe locating
Precise location of pipe routes and sections for inspection, planning and targeted interventions in the wastewater and sewer system.
Leak tightness testing
Leak tightness testing of wastewater pipes with documentation in accordance with VSA guidelines as a basis for new builds, ownership transfers and sewer rehabilitation.
Sewer rehabilitation
Rehabilitation and maintenance of sewers and drainage lines to protect the pipe networks and remedy damage or leaks.
Vacuum suction
Suction of liquids and wet waste as part of sewer maintenance work and to support drainage and cleaning operations.
Waste disposal
Professional disposal of material and residues after sewer cleaning, flushing and maintenance work.
Road cleaning
Wet cleaning of roads and traffic areas in connection with cleaning and maintenance work.
Winter service
Winter service with snow removal for traffic areas and operational access routes.
Trust & reputation

ranQ Trust Score of LAO Kanalprofis AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

LAO Kanalprofis AG scores 67.7 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.67.124%
  • 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.52.910%
  • 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.88.08%
LAO Kanalprofis AG scores 88.3 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.97.712%
  • 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%
LAO Kanalprofis AG scores 85.0 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).85.022%
LAO Kanalprofis AG scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LAO Kanalprofis AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 7 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Industriestrasse 7
7000 Chur
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-337.433.895
Founded
2012 · 14 years
Last commercial register change
July 23, 2024
Employees
11 to 20

Active in 1 of 26 cantons

  • GRGrisons
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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