About Us
What We Do
RSE is a leading provider of water and wastewater treatment solutions for water utilities and industrial clients.
We design, manufacture and integrate technologies and systems that help our customers meet today’s regulatory, operational and environmental challenges — at pace, at scale and with confidence.
RSE operates as one integrated organisation, bringing engineering, manufacturing, controls, chemical dosing and commissioning expertise under a single delivery model —for clearer accountability, closer collaboration and more consistent outcomes across every project. This end-to-end capability, coupled with our unique combination of modular off-site construction, intelligent digital design and in-house manufacturing capability, has earned us a reputation for innovation, speed and reliability.
Our modular approach reduces on-site disruption, programme risk and whole-life project costs.
In parallel, our digital and control systems optimise water treatment performance and resilience, with each solution tailored to real-world operational needs. Every system we produce undergoes full factory testing and is designed and manufactured to meet strict quality, safety and regulatory standards.
Our solutions are good for the planet, create resilient water systems, and lead to faster deployment of critical infrastructure while delivering better value for RSE customers. We’re transforming water treatment solutions, for a more sustainable world.
Our Vision, Mission and Values
Vision
A world where resilient, sustainable water is within every community’s reach.
Mission
Transforming how water solutions are designed, manufactured, delivered and managed through configurable standard products, for a more sustainable world.
Values
Servant Hearted: kind, patient, humble and graceful Entrepreneurial: optimistic, adventurous, resilient and action-oriented.
Our History
One RSE
We have acquired companies that are specialists in their fields, and integrated them into RSE so that we operate as a single organisation with shared values.
Customers benefit from deep subject-matter expertise combined with wide-ranging project support and the ability to deliver projects quickly and at scale.
RSE Leadership
Our senior leaders provide a workplace culture that fosters innovative ideas and continual development within our teams.
Steve Slessor
Chief Executive Officer
Kes Juskowiak
Managing Director
Water Treatment Solutions
Sonya Hotson
Chief Financial Officer
Connor Morton
Managing Director, Chemical and Wastewater Solutions
Tom Bruley
Managing Director, Control Systems
Martin Mathers
Executive Director
Allan Dallas
Executive Director
Iain Macgregor
Executive Chair
Our Culture
Our culture is shaped by a servant leadership approach, where leadership is centred on supporting people to succeed, take ownership and deliver their best work.
By investing in our people and empowering them to lead by example, we build teams that deliver reliable performance, act with integrity and inspire confidence across every project.
Safety, Quality and Compliance
Our approach to quality, health, safety and environmental management underpins everything we do, helping us deliver safely, responsibly and consistently.
We comply with applicable legislation, including the Health and Safety at Work Act 1974, and consider legal compliance the minimum standard. We continually work to strengthen our approach, applying best practice, effective risk management and continuous improvement across our operations.
Our QHSE management system supports internationally recognised standards, including ISO 9001 for quality, ISO 14001 for environmental management and ISO 45001 for occupational health and safety, reflecting our commitment to maintaining high standards across RSE.
Awards
RSE Partners
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