Submitting monthly water meter readings is important for businesses, especially where recent water usage may be less due to the impact of Covid-19. Submit your meter reading on MyAccount or here on our website.

Switch and save up to 20%

We're saving UK businesses up to 20% on their business water, with more 5-star Trustpilot reviews than all other water retailers combined.

Looking for your balance?

Log in to MyAccount

View and download invoices, check your account balance and latest transactions, submit meter readings, find your meter and see consumption history.
MyAccount has everything you need to manage your account online.
Register for MyAccount

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

Water management services

Our proactive business water services work to support efficiency, reduce costs and mitigate risk. We'll work with you to address the additional water management needs of your business and match them to our specialist partners. Our business water services include water management, wastewater treatments, trade effluent, water efficiency and emergency and contingency planning.

Our Services

DOWNLOAD OUR WINTER WISE GUIDE

Download your free Winter Wise guide to learn more about protecting your business this winter.

Download your guide here

Latest News & Blogs

Can a Business Stay Open Without Running Water?

27/1/2022

Can a Business Stay Open Without Running Water? This may...

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Top 6 ways your business can save water

24/1/2022

Here are our top 6 ways your business can save...

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MyAccount is now available to all Castle Water customers following major update

15/12/2021

Yesterday, Castle Water successfully completed this update with the launch...

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Castle Water gets 10,000th 5 star Trustpilot review

2/12/2021

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News

Can a Business Stay Open Without Running Water?

27/1/2022

Can a Business Stay Open Without Running Water? This may...

Read more
Top 6 ways your business can save water

24/1/2022

Here are our top 6 ways your business can save...

Read more
MyAccount is now available to all Castle Water customers following major update

15/12/2021

Yesterday, Castle Water successfully completed this update with the launch...

Read more
Castle Water gets 10,000th 5 star Trustpilot review

2/12/2021

Read more
View more