Colloide Engineering Systems Ltd

Colloide Engineering Systems Ltd is a process engineering company headquartered in Cookstown, Co. Tyrone, Northern Ireland, delivering sustainable engineering solutions across the UK and Ireland since 2002. With offices in Limavady, Dublin, and Newton Aycliffe (Durham), the company serves clients in the water and wastewater, food and drink, energy, and mechanical and electrical sectors. Colloide specialises in water treatment solutions — from large-scale municipal treatment plants for major water utilities to effluent and water handling systems for smaller operations such as micro-breweries. Their energy division covers district heating networks, heat recovery systems, biomass heating, and heat pump installations. Through their facilities engineering service, Colloide helps industrial and commercial clients optimise plant operations, relocate equipment, implement instrumentation and controls, and re-engineer existing processes. The company offers full turnkey project delivery — encompassing design, in-house manufacturing, on-site installation, commissioning, and ongoing operation and maintenance — as well as specialist subcontractor services and EPCM project management roles. Their in-house team brings together mechanical, electrical, chemical, and process engineering expertise, supported by a 24-hour emergency call-out service. Colloide has delivered projects for major clients including Scottish Water, Severn Trent Water, Suez, Sligo County Council, Fife Council, and South Tyneside Council. The company is recognised for reducing carbon emissions, treating millions of litres of drinking water, and advancing environmental sustainability through engineering. In 2025, Colloide won the Innovation Award at the Mid Ulster Business Awards, reflecting its commitment to engineering excellence and sustainable innovation.