RSE is a trusted clean water technology company, developing market-leading products and solutions for purifying drinking water, recycling wastewater, and cleaning water in industrial processes. 
Founded in Muir of Ord in 1982, RSE has evolved into one of the UK’s leading mechanical, electrical, instrumentation and control and automation (MEICA) contractors and delivers water treatment technologies and services to clients across the UK and North America.

RSE Delivers 30% Growth and Expands Market Position across the UK

Reported Results & Regional Growth

We are delighted to announce that RSE has achieved 30% growth over the last financial year, as our teams have continued to rapidly expand our market position across the UK.

RSE's reported financial results for the year ending 31st March 2024 returned an increase of revenue to £257.2 million, with operating profit also growing to reach £19.9 million in the same period.

While the business has seen growth in all territories, RSE's capabilities are now widely recognised across England and Wales, building on the strength of proven expertise and client relationships in Scotland.

RSE's ability to innovate and deliver industry-leading products and solutions has fostered new customer partnerships across municipal and industrial markets, generating strong demand for its offerings among all clients. This expansion, combined with strategic acquisitions, marks a significant shift for RSE as its footprint across the UK grows beyond Scottish roots.

Investment in the Future of Water Technology

We completed two acquisitions in the period to further strengthen capability, although the majority of the growth in the period was organic, linked to RSE's strategy to increase revenues across the English municipal water companies. To support growth, all the company's retained profits were reinvested in product development and innovation, leading to a step change in its offering to the water technology sector.

This included the launch of new modular water treatment plants featuring an 85% reduction in CO₂ emissions over traditional solutions. Deployed in half the time and supported by innovative commercial models that ensure cost certainty, RSE is at the forefront of driving efficiency across the UK's water sector.

"Our focus on driving innovation, sustainability, and creating strong customer partnerships, has delivered significant organic growth in England and Wales, establishing this as a thriving region and a cornerstone of our future success. By combining modular engineering, cutting edge technology, and sustainable practices, we are transforming how water treatment facilities are designed and delivered, creating tangible environmental and economic benefits."

"We are excited about the future as we continue to scale our operations, invest in new products, develop talent and lead the industry towards a more sustainable future." said Stephen Slessor, CEO of RSE.

Biomatrix specialises in designing and installing ecological water management systems, integrating natural processes to improve water quality, enhance biodiversity, and create sustainable, regenerative ecosystems in urban and rural environments.

RSE is a trusted clean water technology company - developing market-leading products and services for purifying drinking water, recycling wastewater, and cleaning water in industrial processes. RSE's bases across the UK are pioneering new solutions for the water sector through offsite manufacture and a modular approach to water management technologies.

The collaboration is a natural fit as both companies, headquartered in Northeast Scotland, share a common focus on modular design, low-carbon recycled materials, and innovative solutions that protect and enhance water resources.

RSE's accompanying equity investment in Biomatrix demonstrates a strong commitment to natural solutions and sustainable water treatment innovation, and integration of ecological and technological expertise.

"This partnership with Biomatrix Water demonstrates RSE's dedication to advancing sustainable water treatment solutions. Nature-based solutions are essential to achieving environmental objectives and, by incorporating Biomatrix's expertise, we can deliver modular, scalable solutions that address storm overflows and enhance water ecosystems across the UK and internationally." Steve Slessor, Chief Executive of RSE.

"We are excited to collaborate with RSE to broaden our reach in delivering nature-based water management solutions. After several years of developing innovative approached alongside RSE, formalising this partnership represents a natural progression as we work together to drive sustainable innovations that address environmental challenges, supporting water quality, biodiversity, and resilience in communities globally."

"Partnering with our friends at RSE will enable us to better serve the water sector, continuing to grow our Forres-based company and providing new leadership opportunities for our team. Working with RSE's network of 2,000 staff, we aim to deliver greater value and efficiency to our customers and to bring more water systems to life." Galen Fulford, Managing Director of Biomatrix.

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LMBs are sustainable, contain lower contents of carbon and offers the use of materials that are fully recyclable/reusable at the end of their lifecycle. By using internationally recognised manufacturing technology, we can create the RSE - LMB whic delivers efficiently designed solutions with limited wastage and faster construction periods.

The LMB can be delivered fully kitted out and ready for use or can be delivered in flat pack form and erected in situ on-site.

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