From treatment to control, we design, manufacture and integrate the technologies and systems that keep water moving.

Inside an RSE-built water treatment works

Who We Serve

We work with any organisation that relies on water to operate. Our two primary markets are water utilities and industrial and manufacturing companies.

Our customers face increasing regulatory, environmental and performance pressure. In response, we provide practical engineering, integrated delivery and a deep understanding of regulated environments.

Water Utilities

We’ve got the expertise to lead and manage projects at any scale, working alongside water companies and utilities to deliver innovative clean water and wastewater solutions.

By integrating treatment systems, automation and chemical solutions, we help utilities respond to regulatory frameworks such as AMP‑driven investment programmes, improve overall asset performance and reduce long‑term operational risk.

Industrial & Manufacturing

We deliver water and wastewater solutions across several sectors, particularly for organisations that need rapid, reliable solutions in live operational environments.

By providing integrated treatment, control and automation solutions, we help protect operations, reduce risk and provide confidence within a regulated environment. We also provide temporary and hire solutions where operational continuity is needed.

Addressing Critical Water Challenges

Infrastructure
Resilience

Digital Optimisation
and Monitoring

Only 1% of the World’s Water is Consumable, and its Availability is Under Stress.

Water companies and industrial operators face growing pressure to improve water quality, increase resilience and deliver more with less. Through standardised modular solutions, integrated engineering expertise and innovative technologies, we help accelerate project delivery, reduce construction time on site, improve quality through factory manufacture and lower whole-life costs.

RSE in Numbers

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9%
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14%
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Insights & News

Stephen Slessor, RSE CEO
Welcome to the New RSE Website

Welcome to the New RSE Website

A New Digital Platform Showcasing the Full Breadth of RSE Expertise
RSE engineers inside a water treatment works
Impact report reveals RSE’s £281m contribution to UK economy

Impact report reveals RSE’s £281m contribution to UK economy

RSE Group's rapid growth has made a major impact on the UK economy and its communities, says SQW

Speak to Our Team

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