About React Commissioning LTD
Specialists in water infrastructure testing, chlorination, and leak detection across the UK.
React Commissioning Ltd is a family-run specialist providing certified pressure testing, chlorination, dechlorination, and leak detection services across the UK. With a focus on accuracy, compliance, and dependable delivery, we support engineering teams, developers, and utilities with professional, fully documented testing solutions.
Who We Are
We bring over a decade of industry experience, working across clean water, wastewater, and private networks. Our technicians are fully trained, highly experienced, and operate to strict UK water industry standards, ensuring safe, accurate, and reliable results on every project.
How We Work
Our approach is built on clear communication, efficient scheduling, and complete transparency. From planned works to reactive testing, we utilise modern equipment and proven processes to ensure each project is completed safely, efficiently, and to the highest standard of compliance.
BS EN 805
Water Industry Specifications (WIS)
Water UK Standards
Water Quality Regulations 2016
All hydrostatic testing is carried out in accordance with UK water industry regulations and documented for commissioning and handover.
Nationwide Coverage
Based in the UK and operating nationwide, we provide rapid mobilisation and support for sites across England, Scotland, and Wales. Whether it’s new mains testing, leak investigation, or chlorination work, our team can be onsite quickly and with minimal disruption.
Partners
React Commissioning Ltd working in partnership with AHS Pipeline Innovations and Aquadose Intelligent Chemical Dosing cover multiple projects nationwide across a wide range of UK water authorities and contractors including Anglian Water, Avove Utilities, Costains, Farrans, Firdale Construction, Heywood & Jackson, Icose Water, JN Bentleys, Murphy Group, MWH Treatment, Northumbrian Water, P&H Pipelines, Severn Trent Water, South Staffs Water, Thames Water, Utility Infrastructure Solutions, United Utilities, Welsh Water, and Wessex Water. Our long-standing relationships with these organisations reflect our commitment to reliability, compliance, and delivering consistently high standards across every project.