Moving to the UK’s leading independent business water supplier means: a 5-star service, an online customer portal and one simple bill.
Switch today and take advantage of our lowest ever offer. No nonsense, it’s simply our best deal yet!
With government plans to ease COVID-19 restrictions in the near future, it is likely your business will go through a number of changes. These changes will impact how your business uses water. Submitting a meter reading online will ensure your next bill is up-to-date.Submit a reading
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.Our Save The Children Partnership
The weather is getting colder & it's a good time to think about getting your business prepared for winter - even if you are temporarily closed!Download our Winter Wise Guide
Manage your Castle Water account, with MyAccount.Register Now!
Castle Water is the UK's leading independent business water supplier offering unrivalled customer service at competitive prices. Business water services we offer include water management, waste water treatments, trade effluent, water efficiency and emergency or contingency planning.Our Services
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
As a business you can now choose your business water supplier in the same way as you can choose your energy or telecoms provider.
Let Castle Water take care of all your business water and waste water requirements.
Save up to 20% on your bill with Castle Water!