Register for MyAccount where you can view previous bills automatically and submit meter readings, or use the self-serve options below.

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 is closing due to Covid-19, provide regular meter readings whenever you can at castlewater.co.uk/meterread and we will use these when we calculate your next bill to ensure your water charges are minimised.
COVID-19 Help and Support

Protect your business this winter!

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

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.

Our Save The Children Partnership

Looking to Switch Business Water Supplier?

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!

Get an Instant Quote

MyAccount. Anywhere. Anytime.

Manage your Castle Water account, with MyAccount.

Register Now!

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 Services

Latest News & Blogs

Save the Children: Sudan Flood Response

19/11/2020

Read more
How you've helped children through COVID-19 - six months on

17/11/2020

Read more
Increases in wholesale water and wastewater tariffs from April 2021

6/11/2020

John Reynolds takes a first look at increases in Wholesale...

Read more
Castle Water's MyAccount users on the rise

6/11/2020

Customers are being encouraged to register for Castle Water’s dedicated...

Read more
Castle Water secures new Crown Commercial Service agreement

23/10/2020

Castle Water, the UK’s leading independent business water supplier, is...

Read more
Castle Water's donations help Save the Children provide water at schools in Zamb...

14/10/2020

Save the Children’s Emergency Fund has installed clean water and...

Read more
Castle Water CEO, John Reynolds, provides an update on refunds resulting from bu...

2/10/2020

I was very relieved when Ofwat accepted in early April...

Read more
Save the Children: Beirut Explosion - Two Months On

30/9/2020

Almost two months ago, a warehouse exploded at Beirut’s central...

Read more
View more

News

Save the Children: Sudan Flood Response

19/11/2020

Read more
How you've helped children through COVID-19 - six months on

17/11/2020

Read more
Increases in wholesale water and wastewater tariffs from April 2021

6/11/2020

John Reynolds takes a first look at increases in Wholesale...

Read more
Castle Water's MyAccount users on the rise

6/11/2020

Customers are being encouraged to register for Castle Water’s dedicated...

Read more
Castle Water secures new Crown Commercial Service agreement

23/10/2020

Castle Water, the UK’s leading independent business water supplier, is...

Read more
Castle Water's donations help Save the Children provide water at schools in Zamb...

14/10/2020

Save the Children’s Emergency Fund has installed clean water and...

Read more
View more

Save 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