Water and wastewater infrastructure services
We operate across above- and below-ground infrastructure, delivering complementary services that support the full lifecycle of water and wastewater systems.
Serwent Group supports public and private infrastructure owners across the Nordics, ensuring the day-to-day operation, maintenance and long-term performance of essential systems that society depends on.
Our services cover both preventive and reactive needs – from routine maintenance and inspections to emergency response and long-term rehabilitation.

Our services
Serwent Group provides specialised services within water and wastewater infrastructure, delivered across above- and below-ground systems and throughout the full lifecycle of infrastructure assets.
Our services are organised around three complementary service areas:
Private relining
With pipe relining, you can renovate pipes without tearing out, chiselling or digging. A convenient solution that saves time, money and is gentle on the environment!
Ventilation
Serwent performs cleaning and relining of ventilation ducts to improve airflow, hygiene and system performance in industrial and commercial facilities
Septic tanks
Emptying: Serwent provides emptying of septic tanks, including three-chamber systems, carried out efficiently and reliably for both businesses and municipalities.
Sand traps
Emptying: Serwent offers professional emptying of sand traps to ensure proper function, prevent blockages and comply with environmental requirements.
ADR Services
Emptying: Hazardous waste and chemical products are transported safely and efficiently with ADR-compliant vehicles. A secure solution carried out in accordance with all laws and regulations.
Oil and grease separators
Emptying: Serwent offers emptying of oil and grease separators to ensure proper function, prevent blockages and meet environmental requirements for businesses and municipalities.
Pipe Inspection
Pipe services: All pipes in properties and underground have a certain lifespan. Proper care and ongoing maintenance such as regular drain jetting and cleaning significantly extends that lifespan.
Pipe maintenence
Pipe services: Serwent delivers pipe maintenance services including flushing and targeted point repairs to maintain capacity and extend the service life of pipe systems.
Pressure testing
Pipe services: Serwent provides pressure testing of pipe systems to verify tightness, detect faults and ensure compliance with technical standards.
Leak detection
Pipe services: Serwent provides professional leak detection services to identify hidden leaks in pipe systems quickly and accurately, reducing the risk of extensive damage and unnecessary excavation.
Dry suction
Industrial: Serwent offers efficient solutions for exposing tree roots, pipes and cables with precision and without risk of damage. With our experience, we take responsibility for the entire process.
High pressure
Industrial: Serwent delivers industrial high pressure washing for effective cleaning of pipes, surfaces and installations, removing deposits and blockages safely.
Waste handling
Industrial: Serwent offers industrial waste handling services, including collection, transport and disposal, in compliance with environmental and safety regulations.
Crane
Special services: Serwent provides crane services for safe and efficient lifting and handling in industrial and infrastructure projects, carried out by certified operators.
Container
Special services: Serwent provides container services for temporary storage and transport of waste and materials, adapted to industrial and infrastructure projects.
Public Relining
Serwent performs relining of public sewage pipes and manholes to extend service life, restore function and minimize the need for excavation.

Local delivery, backed by a Nordic group
Serwent Group operates through strong local teams with deep technical expertise and close customer relationships. These teams are supported by shared systems, standards and ways of working across the group.
This combination enables local responsiveness, consistent quality and scalable capacity for complex, multi-site and long-term assignments across the Nordics.










