We’re here to provide your business with the best possible price for your water services. Join over 350,000 businesses already benefiting from award-winning service, flexible billing options, online account management, and free water efficiency advice.
We give free, practical advice to help your business use less water to become more sustainable and reduce costs. Use our free online resources help to engage with your employees and encourage cultural changes that result in less water being used.
"The easiest and cheapest water service provider I have ever used. I'm so pleased that I switched to them." - Mitzi, Castle Water customer
Get an instant quote
Trade effluent requirements can be complex. Castle Water’s dedicated, expert trade effluent team has the experience and technology required to understand it like no one else – and we make the process simple
Working alongside our specialist partners, we can advise and assist you in finding the right solution for treating any wastewater that cannot be discharged in to the sewer
Focus Academy Trust is set to save £7,500 on their...
Read more19/11/2020
Castle Water partnered with one of the largest non-metropolitan police...
Read more27/2/2019
Motherwell FC has scored significant financial savings on its business...
Read more