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In addition to individual Members, we welcome applications from organisations working in and around the water sector. Click here to find out more information and how to become a Company Affiliate.



Hach provides analytical instrumentation for monitoring wastewater, drinking water and process water coupled with systems for process optimisation. Our wide range of laboratory/online solutions are supported by local service and application engineers. Our vision is to make water analysis faster, simpler, greener and more informative via unsurpassed customer partnerships with intuitive products.

Our product portfolio includes well-known brands: Hach®, Orbisphere, Polymetron, and Biotector with its award-winning online TOC analysers.

As a world leader, we continuously develop new technological products for water analysis, but our commitment to provide customers with expert answers, outstanding support, and reliable, easy-to-use products remains the same.

Ham Baker Group

The Ham Baker Group is a market leading, global organisation dedicated to the design and manufacture of innovative products, for the water, waste water and process sectors.

The Ham Baker Group is unique amongst modern day suppliers in being able to offer product to all areas of water, waste water and process applications. The understanding of individual applications informs the design of complementary products and services resulting in the ability to be able to offer complete engineered solutions which deliver optimum performance.

With a fully equipped, UK, in-house manufacturing facility complemented by state-of-the-art design facilities provides customers with bespoke engineered solutions, capable of operating to industry leading standards.

Our own in house dedicated research and development team, working in conjunction with world renowned universities delivers innovative solutions to process applications, providing significant infrastructure benefits to customers.

With manufacturing bases in the UK, China, Hong Kong, UAE and Australia we are able to offer engineered solutions worldwide.

Hardy Services

Family-run company Hardy Services have been established for over 35 years. The company has recently been awarded a coveted contract with United Utilities to repair and maintain water retaining structures across Northern England. Their highly professional team of civil, mechanical and electrical engineers provides support to companies both large and small throughout the UK, Ireland and Europe. They also specialise in delivering scaffolding and access solutions to all areas of construction and maintenance, as well as having their own training division offering a full suite of courses within the water industry and a comprehensive range of health, safety, environmental and construction subjects.

HydroCo Limited

HydroCo Limited was formed in 2001 to provide specialist support to water companies who want to build, verify and use high quality clean water computer network models to plan and optimise their systems. Fifteen years down the line and we are still dedicated to this specialist field. With over 300 fully calibrated pressure loggers and highly experienced staff we are here to help water companies ensure their customers receive the best levels of service at least cost. Please have a look at our website for further information.

Hydrok UK

Hydrok provide Water Engineering Solutions, in-house design teams help identify the requirement and, should any of the standard products not be suitable, the in-house manufacturing facility allows for bespoke designs and products to suit the need. Hydrok are known for their CSO screens and have supported the UK water companies in the design and installations of reliable, cost effective and low maintenance screening solutions.  Hydrok operate in 4 areas:  Water Management Systems (wastewater and clean water), Wastewater Treatment Processes and SUDS.