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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesViganelloDSP Canalizzazioni Sagl
DSP Canalizzazioni Sagl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

DSP Canalizzazioni Sagl provides rehabilitation, cleaning and maintenance services for pipelines and sewers using no‑dig techniques such as relining, together with video inspections and emergency assistance.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Drainpipe relining without excavation
Renovation of damaged pipelines without invasive excavation, with polyester sleeves and a liner or spray liner system for water and sewer pipes.
Drain and sewer cleaning
Flushing of vertical and horizontal drains and sewers, clearing blockages in toilets, kitchens and washbasins, cleaning rainwater downspouts and subscribing to periodic maintenance.
Video pipe inspection
High-resolution video inspections to identify blockages, breaks, infiltration issues and to locate hidden manholes, with detailed diagnosis of the pipe condition.
Emergency assistance for drains and sewers
Rapid interventions for leaks, blockages, obstructions and unforeseen problems, available throughout the canton of Ticino with 24/24 support.
Scheduled sewer maintenance
Maintenance programmes and subscriptions to keep drains and sewers efficient, prevent future issues and ensure rapid interventions when needed.
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4.1/5

DSP Canalizzazioni Sagl

Trust & reputation

ranQ Trust Score of DSP Canalizzazioni Sagl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

DSP Canalizzazioni Sagl scores 86.9 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.87.524%
  • 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.74.910%
  • 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.100.08%
DSP Canalizzazioni Sagl scores 57.1 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.39.612%
  • 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%
DSP Canalizzazioni Sagl 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%
DSP Canalizzazioni Sagl scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DSP Canalizzazioni Sagl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 18 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 18 reviews across all connected sources

Sources
GGoogle518
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Via Emilio Rava 12
6962 Viganello
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Limited Liability Company
UID
CHE-434.540.153
Founded
2024 · 2 years
Last commercial register change
October 31, 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.
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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