Marsh Industries Ltd is a leading UK manufacturer of off-mains drainage solutions, operating from modern, purpose-built facilities in Northamptonshire. The company designs, manufactures, and distributes high-quality sewage treatment plants and wastewater management systems for both UK and international markets.
With a strong focus on engineering excellence and environmental responsibility, Marsh Industries has developed a range of innovative products that are independently tested and certified to meet the highest industry standards. Our solutions are designed to improve environmental outcomes while providing cost-effective, reliable wastewater treatment. Core product areas include sewage treatment plants, rainwater harvesting systems, and pumping stations.
Marsh Industries offers one of the most comprehensive ranges of sewage and effluent treatment products in Europe. Our portfolio includes industry-leading solutions such as the Ensign Sewage Treatment Plant, alongside robust commercial and industrial pumping stations of up to 20,000 litres with three-phase capability. All systems are proudly manufactured in the UK and are designed for use across domestic, commercial, agricultural, and leisure developments.
Practical Products
Designed for simplicity. Built for durability.
Our systems are engineered to be straightforward to transport, install, and maintain. We prioritise practical design, ensuring our products perform reliably and deliver dependable long-term operation.
Built on Experience
Proven design and dependable performance.
Our team brings together more than 100 years of combined experience in wastewater treatment. This expertise allows us to develop products that are efficient, durable, and trusted in real-world applications.
Certified Compliance
Meeting UK and European standards.
All Marsh Industries products are fully type-tested and certified to meet current UK Building Regulations and relevant European environmental standards, ensuring compliance, safety, and performance.
Environmentally Responsible
Sustainable solutions for wastewater management.
We are committed to reducing environmental impact through responsible manufacturing processes and environmentally sensitive product design. Our systems help protect natural resources while supporting sustainable development.
Reliable Supply
Availability when you need it.
Through one of the largest distributor networks in Europe, Marsh Industries ensures consistent product availability and dependable delivery to customers and partners.
Straightforward Support
Expert advice without complication.
Our team provides practical technical support, including site visits, product guidance, and tailored system recommendations. We focus on clear communication and effective solutions.
Our Strength
Our success is built on the people behind our products — our skilled team and the customers who trust and rely on Marsh Industries systems every day.
