Our services
Our areas of expertise:
Drain unblocking and cleaning service to remove grease, roots and deposits, using high-pressure vehicles, preventive maintenance and rapid response for domestic or industrial sewage systems.
Complete drainage system cleaning: video diagnosis, intensive cleaning followed by targeted repairs to eliminate leaks, unpleasant odours and reverse slopes, and extend the life of the pipes without major works.
Professional emptying of septic tanks, grease traps and oil separators with pumping, approved transport and waste traceability, to prevent overflows, unpleasant odours and system failures.
High-resolution colour camera inspection of pipes to locate breaks, root intrusions, faulty connections or deposits, with an illustrated report enabling the necessary repair work to be planned.-
Trenchless pipe lining and rehabilitation to repair cracks, corrosion or subsidence, limit service interruptions and bring existing underground networks back into compliance.
Plumbing repairs and complete sanitary installations, non-destructive water leak detection and investigation, appliance replacement and compliance upgrades for apartment buildings, villas, community facilities and commercial buildings.
Suction and discharge service using hydrocleaning trucks to remove sludge, sand or heavy materials, clean manholes and basins, then discharge effluent to the desired treatment point.
Special high-pressure and ultra-high-pressure work for stripping, descaling, removing concrete or asphalt and exposing technical surfaces, safely, on industrial sites or in local authorities.
For your peace of mind, Liaudet Pial SA offers maintenance contracts and a 24/7 on-call service. A single phone number, call prioritisation and optimised response times day and night throughout French-speaking Switzerland, to limit damage and ensure continuity of service. 24 hours a day, 7 days a week
Biohuile, a brand owned by Liaudet Pial, provides a free collection service for used cooking oil, offering a reliable and environmentally friendly service that recycles it into biodiesel or biogas. Simply join us.
DRAIN CLEARING
BY PROFESSIONALS FOR INDIVIDUALS AND BUSINESSES
We understand how unpleasant and stressful plumbing problems can be for property owners. Our property drain cleaning service is specially designed to meet your needs in terms of clearing, cleaning, pumping and draining.
Services tailored to all profiles
Whether you are:
- A local authority looking for a reliable partner for your public networks
- A property management company anticipating or dealing with damage to its buildings
- A private homeowner faced with a blocked pipe
- A construction or industrial company outsourcing inspections and cleaning
- A restaurant wishing to clean its grease traps, empty its septic tank, or recycle its used cooking oil
- A manager faced with flooding requiring rapid water pumping (flooded garage, flooded car park, flooded basement)
We tailor our solutions to your requirements.
Plumbing & sanitary facilities
Liaudet Pial, the main enemy of limescale!
24/7 at 
0800 621 621
For over 35 years, LIAUDET PIAL SA
offers its expertise to individuals, property management companies, businesses and local authorities in French-speaking Switzerland. As specialists in drainage, unblocking, cleaning, pipe rehabilitation, camera inspection of pipes and sanitary works, we provide a rapid, sustainable and high-quality service.
A Key Player in the Water Cycle
AlloFuites by Liaudet Pial specialises in non-destructive water leak detection using advanced methods (tracer gas, thermography, etc.). The service provides comprehensive support: precise location, diagnosis of the network problem, repair by in-house teams and drying of the premises. This guarantees a fast, durable and economical solution for all customers.
A local company with a commitment to sustainability
At Liaudet Pial, we believe that a field-based profession can play a role in the ecological transition. We incorporate clean solutions into every job, such as Hurricane technology (high pressure without chemicals), our two brands
recovery and collection of used cooking oil, vegetable oil and frying oil for recycling into biodiesel
marketing of water fountains, water bottles and cups to reduce plastic use
As well as innovative methods such as pipe lining and milling of hard deposits and roots, which combine technical performance with respect for the water cycle.
Our teams, who receive ongoing training, apply best environmental practices, limit the carbon impact of our travel and ensure responsible waste management.
Objective:
A clean service for healthier networks.
How many staff members
50
How many vehicles
30
Number of interventions per year
365
Our job, your peace of mind
Because plumbing or drainage problems can quickly become stressful, we do everything we can to respond quickly and efficiently, and explain each step clearly to you.
Rigour, transparency, support: your peace of mind is our priority.
Three locations for rapid response:
A responsible vision focused on the future
LIAUDET PIAL SA is a committed employer, training apprentices every year in sanitation professions (CFC Technologists and AFP Sanitation Maintenance Agents). Our employees work in a healthy environment that complies with safety, ethical and environmental excellence standards.
Our partners
FAQ
Yes, we are available 24 hours a day, 7 days a week, including public holidays and school holidays.
Your health emergencies, water leaks, blocked pipes or drainage problems cannot wait: call us at any time!
We cover the whole of French-speaking Switzerland and even part of German-speaking Switzerland.
Our main branches are located in Geneva, Lausanne and Biel, but thanks to the Liaudet Group, we also operate in the following towns:
- Vevey and Fribourg with Ducret Frères SA
- Bex and Martigny with Kupfer & Fils SA
- Bern and Solothurn with KanalFritz GmbH
In summary: Geneva, Vaud, Valais, Fribourg, Bern and Solothurn are served by our expert teams.
Sanitation consists of cleaning, maintaining and rehabilitating pipes to ensure the safe disposal of waste water and rainwater.
At Liaudet Pial SA, this includes:
- High-pressure cleaning and hydrocleaning
- Video camera inspection (to detect leaks, cracks, roots)
- Trenchless repair (lining)
- Prevention of overflows and pollution
- Sustainable improvement of networks
Liaudet Pial SA specialises in drainage and unblocking in French-speaking Switzerland, with branches in Geneva, Lausanne and Biel.
We are part of the Liaudet Group, which includes:
- Kupfer & Fils Ltd
- Ducret Frères SA
- KanalFritz GmbH
In addition, AlloFuites handles leak detection.
We also develop eco-friendly solutions with Wellamo (water fountains) and Biohuile (recycling used cooking oil into biodiesel).
