Looking to Switch Water Supplier?
As a business, you can now choose your water and waste water supplier in the same way as you can choose your energy or telecoms provider.
Save up to 20% on your bill with Castle Water.
Save The Children
Castle Water are proud to partner and support Save the Children’s Emergency Fund.
In the critical first few hours and long after the initial emergency, Castle Water and Save the Children make sure children can get the safe, clean drinking water they need to survive.
Defining the business of water
Castle Water are the UK's leading independent water supplier offering unrivalled customer service at competitive prices.
Water ServicesNews
Thank you to Castle Water customers and employees for supporting...
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Read moreSave water, save money
Making a few simple changes to your business will help you to save water, save money and reduce your carbon footprint. Better for you, better for the environment.
Water Efficiency Guide