SES Water is the UK water supply company to its designated area of east Surrey, West Sussex, west Kent and south London serving in excess of 282,000 homes and businesses and a … Who owns your water and how they’ll try to keep it. World's 10 Largest Water Companies. This is because utility companies have proved to be a strong investment, as they’re a good way to receive a steady income. 50 companies own over a million acres of England and Wales, according to Land Registry figures seen by Who Owns England. UK water companies in foreign hands Severn Trent is just one of several utilities companies now under foreign control. We have collated the links to the relevant water company webpages where this market information is Submitted by ETC Staff on Wed, 2012-01-18 12:17. Companies House Companies House does not verify the accuracy of the information filed (link opens a new window) Sign in / Register . SEVERN TRENT WATER LIMITED - Free company information from Companies House including registered office address, filing history, accounts, annual return, officers, charges, business activity. The figures, disclosed under freedom of information law, show that a few dozen firms – from water utilities and mining corporations to aristocratic estates and offshore companies – own vast swathes of the English and Welsh countryside. Selling a product that everyone needs without facing any competition turns out to be a pretty good business model. The big ones sit in the FTSE 100 list of biggest UK companies, valued higher than Marks & Spencer and other household names. This includes GIS shapefiles of their water resource zones (which are used for water resources planning purposes), consistent with their WRMP. Skip to main content. … Companies have been publishing their water resources market information on their websites alongside their draft water resources management plans (WRMPs).