MWH Treatment (MWHT) is a national leader and innovator in the water sector, delivering leadership and critical infrastructure solutions across the UK for more than two centuries.

Its core mission is to “build a better world” by helping to ensure that people across the UK always have access to clean drinking water and that wastewater and sewage are effectively treated.

Its people are the beating heart of MWHT and its most valuable asset.

Established 200 years ago, it began as a specialist product provider to the national and international water industry in 1820. Later, in 1989 the group expanded to include Whitehead and Poole and Farrer Engineering.

Sir Adrian White, seeing an opportunity to take advantage of the future privatisation of the UK water industry, purchased the three companies and become part of formed the Biwater Group, later known as MWH Treatment.

Jump forward and in September 2021 MWH Treatment was acquired by RSK. RSK is a global leader in the delivery of sustainable solutions.

The RSK family is made up of more than 200 environmental, engineering and technical services businesses working together to provide practical solutions to some of the greatest challenges societies have ever faced.

Today, a commitment to a more sustainable world is at the heart of MWHT’s business.

It is proud of its continued contribution and leadership towards helping to build a modern and resilient water network that can support a growing population and withstand the physical impacts of a changing climate.