20 January 2026

KSG acquires Clearway Drainage Systems, expanding its presence in the United Kingdom

Clearway Drainage Systems combination truck

The UK drainage and wastewater specialist joins KSG through its UK platform, Defluo Group, adding scale to the Group's Infrastructure line of business.

KSG has completed the acquisition of Clearway Drainage Systems, a specialist UK provider of drainage and wastewater services. The transaction was executed through Defluo Group, KSG's platform in the United Kingdom, and represents a further step in the Group's strategy to build a leading European platform for essential infrastructure services.

Clearway delivers sewer cleaning, CCTV inspection, investigation and maintenance services to public-sector, commercial and industrial clients. Its integration expands Defluo's presence in the United Kingdom and reinforces KSG's position as a leading pan-European provider of drainage, sewer maintenance and industrial cleaning services, with operations in Switzerland, Germany, Belgium, the United Kingdom and the Netherlands.

Why drainage and the United Kingdom, and why now

Drainage and sewer networks are among the most critical assets of any city or industrial site. Ageing infrastructure, more frequent extreme weather events and stricter environmental regulation are increasing the need for regular inspection, cleaning and maintenance, as well as fast response when problems occur.

These services require specialised equipment, trained teams and the operational capacity to respond at any time. Customers increasingly look for partners that can combine local presence and technical expertise with the resources of a larger group.

The United Kingdom, with its extensive and ageing drainage networks, is one of the most important markets for these services in Europe and a natural market to strengthen KSG's capabilities.

Defluo Group as the platform for integration

The acquisition was led by Defluo Group, which serves as KSG's platform in the United Kingdom. Clearway is recognised for its technical expertise, reliability and rapid response capabilities. Its team, services and customer relationships complement Defluo's existing operations, extending the Group's reach in the country and creating opportunities to share expertise, equipment and best practices.

Growing with the people who built the business

For KSG, acquisitions are about people as much as market share. The Group partners with teams that share its commitment to technical excellence, safety and close customer relationships, and gives them the means to grow further.

“Clearway is exactly the kind of company we want to have in KSG: specialised, reliable and trusted by its customers,” said Stefan Odenthal, CEO of KSG Gruppe. “Together with Defluo Group, we will support the team to keep growing, with the strength of a European group behind them.”

Clearway Drainage Systems added: “Joining KSG opens a new chapter for our company. We keep what makes us different — our people, our technical expertise and our relationship with customers — and we gain access to the experience, technology and resources of a group that operates across Europe. It is a great opportunity for our employees and for the customers we serve.”

A platform for further growth

The acquisition of Clearway Drainage Systems is part of a broader pipeline of opportunities that KSG is pursuing across its lines of business.

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