Switch to Castle Water for award winning business water services for companies and organisations of all sizes.
More 5-star reviews than all other water retailers combined.
Switch to Castle Water for award winning service and to save up to 80% on your fixed water charges
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Switch to Castle Water for award winning service and to save up to 20% on your business water
Phone lines will close from Friday 29 April for the Easter holiday, reopening on Monday 1 April at 8am for customers in Scotland, and on Tuesday 2 April at 8am for customers in England. Log in or register to manage your account online, access the Help Centre, or use the webchat service. For water supply emergencies, click here.