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The appointment positions Marshalls as one of just four preferred partners supporting Severn Trent in delivering critical infrastructure upgrades designed to enhance stormwater management and future-proof wastewater networks across the region.
AMP8, the water sector’s latest five-year regulatory investment cycle, focuses on improving resilience, sustainability, and operational performance across the UK’s water and wastewater systems.
The framework award follows a rigorous three-stage tender process, beginning with pre-qualification before progressing through detailed design development and final site assessment.
Marshalls’ Civils & Drainage team developed large-scale storm tank panel designs, demonstrating industry-leading technical expertise and a commitment to delivering best-in-class design support aligned with the business’s ambition of Building Tomorrow’s World.
The successful bid brought together expertise from across the organisation, including quality, manufacturing, technical, design, sustainability, logistics and sales functions.

A key component of the submission centred on sustainability and carbon reduction. Marshalls evaluated opportunities to optimise concrete mix designs, explore both existing and new product development (EPD and NPD), and improve manufacturing efficiency and logistics.
Marshalls manufacturing unit at Pollington has been selected as the primary manufacturing site for the framework, supported by its Mells facility. This strategic approach will help minimise transportation distances, reduce road miles, and support lower carbon delivery.
As part of the final assessment stage, Severn Trent representatives visited Marshalls’ Pollington facility, where they met with production teams and experienced the company’s manufacturing capabilities first-hand.
Jonathan Jefferies of Severn Trent Water commented:
“If you’re going to visit a manufacturing works, it should be a Marshalls Manufacturing works.”
Following contract award, Marshalls is now working closely with Severn Trent’s design and sustainability teams to progress delivery and develop innovative “plug and play” stormwater solutions.
The success has also led to Marshalls Civils & Drainage being appointed to Severn Trent’s wider precast supply framework, creating further opportunities for growth based on performance and collaboration.
Euan MacKinnon, National Sales Director at Marshalls Civils & Drainage, said:
“Securing this tender for a completely new product type was a monumental challenge. From sales and technical to production, quality and sustainability, every single department stepped up, collaborated flawlessly, and proved that our greatest competitive advantage is our people and expertise.”