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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRenens VdLiaudet Pial SA
Liaudet Pial SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Liaudet Pial SA is a provider of sanitation and sewer services, offering unblocking and cleaning of drains, CCTV inspection, trenchless pipe rehabilitation (lining), septic and grease‑trap emptying, high‑pressure and suction operations, and plumbing installations. The company also operates a used cooking oil collection service (Biohuile), provides non‑destructive leak detection (AlloFuites) and offers maintenance contracts.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered9
Comprehensive sewer and tank cleaning
Flushing of stormwater and wastewater sewers, cleaning of drainage lines and collectors, emptying and cleaning of septic tanks, lift stations and separators.
Plumbing & sanitary (new build and renovation)
Installation and renovation of sanitary facilities, fitting bathroom and kitchen fixtures, emergency plumbing call-outs, replacement of tapware and service on water heaters.
Camera inspection
Video camera inspection of pipes to locate the cause of blockages and check the internal condition of the conduits, with targeted diagnosis before intervention.
Pipe lining & rehabilitation
Rehabilitation of pipelines using pipe lining, restoring the conduits and limiting demolition work.
Emptying septic tanks and separators
Emptying and cleaning of septic tanks, lift stations, grease separators and hydrocarbon separators.
Pipe clearing & drain cleaning
Clearing of pipes, high-pressure jetting, clearing of vertical stacks, cleaning of stormwater and wastewater networks, interventions 24/24.
Regular network maintenance or emergency interventions
Preventive network maintenance and emergency interventions 24/24 and 7/7 for pipes and plumbing issues.
Suction & pressure pumping (dry materials)
Suction and pressure pumping of dry materials, with handling of requirements related to the networks and technical interventions.
Special high-pressure works
High-pressure cleaning and intervention work for networks and pipelines, in addition to pipe jetting and sanitation operations.
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4.7/5

Liaudet Pial SA

Trust & reputation

ranQ Trust Score of Liaudet Pial SA: 4.7 out of 5.0

Trust Score4.7/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Liaudet Pial SA scores 90.6 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.100.010%
  • 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%
Liaudet Pial SA scores 95.0 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.82.07%
Liaudet Pial SA 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%
Liaudet Pial SA scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Liaudet Pial SA reaches a ranQ Trust Score of 4.7 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 90 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 90 reviews across all connected sources

Sources
GGoogle4.890
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue du Marais 8
1020 Renens Vd
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-103.827.999
Founded
1986 · 40 years
Last commercial register change
February 3, 2026
Employees
21 to 50
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.95.03%
    • Full methodology

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