Southern Testing was formed in 1967 as materials testing laboratory, later providing ground investigation, and geotechnical design consultancy for clients in all sectors of the construction industry. With the growth of brownfield development, and an ever-increasing awareness of environmental legislation in the late 1980’s, we launched a specialist environmental ground investigation, risk assessment, and remedial design service aimed primarily at developers.

Terra Vac (UK) Ltd is one of the UK’s leading contaminated land and groundwater remediation specialists. Founded in the early 1990s, Terra Vac offer the full spectrum of environmental services, specialising in the in-situ cleanup of soils and groundwater using 'traditional' and 'leading edge' technologies, many of which have been developed in-house.

In the water environment we undertake groundwater assessment and control, are skilled in flood risk assessment ad management and carry out detailed Sustainable Drainage System (SuDS) assessment and design work.

Water Scientific undertake risk assessments of water systems, complemented by regular monitoring, sampling, reporting regimes. Water Scientific are equally happy to handle complete water system management projects for Blue Chip companies as well as smaller businesses and operations. All water quality testing is carried out in a UKAS accredited laboratory.

Our design services are tailored to each of our client's needs but will often incorporate pre-design feasibility and project evaluation services such as budget development appraisals and pre-purchase land evaluations. We are fully versed with new planning policy statements, those relating specifically to flooding risk and renewable energy. Therefore we can undertake Flood Risk Assessments and will assist the client to achieve the discharge of planning conditions.

Engineering services to the Water and Process Industries WES Ltd has been providing specialist engineering services to the UK water & process industries since the company's inception in 1986. With over 20 years experience in the industry, WES Ltd has developed and consolidated the services it provides to become one of the UK’s leading companies in Chemical Dosing Systems, Specialist Fabrication, Packaged Systems and Mechanical and Electrical Installation

WJ Groundwater Limited has completed over 1,000 groundwater projects and has more than 25 years experience in providing specialist groundwater contract services to clients and contractors principally in the UK, Ireland and Middle East. WJ operates a substantial fleet of specialist drilling plant and equipment and can offer unrivalled in-house experience and design capability in our areas of expertise.

WRc-NSF is the UK's largest, purpose built, testing and calibration laboratory for water fittings and materials. WRc-NSF has over 75 years experience of the water supply industry, helping supply companies, regulators and consumers get wholesome water to the tap.