Water and wastewater services for Kent, Sussex, Hampshire and the Isle of Wight
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Key suppliers

Here is a list of some key suppliers that customers may come into contact with. Find out more about them by clicking on their logos.

React and Maintain Partners

The React and Maintain partners support the day-to-day repair and maintenance of our networks of water mains and sewers and our water supply and wastewater treatment works.

Each contractor provides services across our region, wth a focus in the following areas:

Barhale Trant logo MEICA (Mechanical, Electrical, Instrumentation, Controls, Automation.
Clancy Docwra logo Water distribution
Clancy Docwra logo Sewerage networks


Strategic Solution Partner

MWH logo MWH UK Ltd work alongside our engineering team to help provide valuable expertise in outline design and scope requirements for our major projects.


Delivery Partners

Our delivery partners maintain and improve our water supply and wastewater works:

MGJV logo A joint venture between Morrison Utility Services and Galliford Try, delivering our investment to expand and maintain our 53,000km network of water mains and sewers.
CMDP logo A joint venture between Costain and MWH delivering a range of schemes in Kent and East Sussex.

GTM logo A joint venture between Galliford Try and Imtech, supported by Atkins, delivering schemes in West Sussex, Hampshire and the Isle of Wight.


Other suppliers

Atkins Limited logo Atkins works with Southern Water to provide network development services such as connections, diversions and adoptions for customers, developers, builders and local authorities.

Stralfors logo Stralfors prints and sends out water and wastewater bills to our customers.

MTS logo MTS Cleansing Services collects and removes waste for Southern Water, including removing and recycling waste materials produced by the treatment process at our sites. 
P.N.Daly logo P.N. Daly work around the clock to find leaks in our fresh water pipes in Kent, Sussex, Hampshire and the Isle of Wight.
Siemens logo Siemens inspectors read our
customers' water meters.
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