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We're here for your business!
Switching is simple & we’ll keep you up-to-date, every step of the way.COVID-19 HELP AND SUPPORT
If your business was closed due to the lockdown between 16 March and 31 July 2020, there are some things we can do to help ensure your water bills are minimised for that period.Covid-19 Help and Support
We're here for your business!
Let us take some of your worry away with our super low prices! Switching is simple & we’ll keep you up-to-date, every step of the way.
Get an Instant QuoteSave 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.
Our Save The Children Partnership
Looking to Switch Water Supplier?
As a business you can now choose your business water retailer 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!
Defining the business of water
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 ServicesLatest News & Blogs
Almost two months ago, a warehouse exploded at Beirut’s central...
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Read moreCastle Water CEO John Reynolds sets out the details of...
Read moreMillions of lives are at stake as the COVID-19 pandemic...
Read moreWith many business being forced to close for a period...
Read moreJohn Reynolds, Castle Water CEO, gives an update on water...
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