The hot dry weather is causing high-demand for water across the UK and low water pressure in some areas. Get the latest advice from Wholesalers in your area here.

Save up to 80% on fixed charges

We're saving UK businesses up to 80% on their business water fixed charges, 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

The easiest way to pay your bill is by Direct Debit

Take paying bills off your 'To do' list. Regular Direct Debit payments help to avoid late payment charges and manage cashflow, and you'll be covered by the Direct Debit Guarantee.

Set up your Direct Debit today

Never pay your water bill in advance

Our Customer in Control plan allows you to pay for your business water and wastewater as you use them, meaning you’ll never pay in advance. And with savings of up to 80% on fixed charges, we don't just make business water better, we make it cheaper too.

Start saving

SUEZ switches over 200 UK sites to Castle Water

SUEZ now benefits from a tailored service from Castle Water including water efficiency and water management support, 24/7 emergency support, consolidated billing, cost management, and market-leading trade effluent expertise.

Read the case study

Level up your water use

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.

Get started with our free Water Efficiency Guide

Water management services

Castle Water’s additional water management services work to support efficiency, reduce costs and mitigate risk. We understand that no two businesses are the same. We can work with you to address the additional water management needs of your business, and provide proactive solutions including Contingency Planning, Water Efficiency Audits, Leak Detection and Repair, and Automatic Meter Reading.

Our Services

Latest News & Blogs

Customer Q&A with Castle Water's Commercial Relationship Manager, Geoff Beal...

2/8/2022

Castle Water’s Commercial Relationship Manager, Geoff Beale, answers a selection...

Read more
The problem with phosphorus

2/8/2022

Phosphorus is found naturally in soil, but its importance as...

Read more
Castle Water receives its 12,000th 5-star Trustpilot review

1/8/2022

Last week, Castle Water, the UK’s largest independent water retailer,...

Read more
Castle Water sponsors the Future Skills Awards at the Chamber Business Champion ...

29/7/2022

Castle Water is delighted to be sponsoring the Future Skills...

Read more
View more

News

Customer Q&A with Castle Water's Commercial Relationship Manager, Geoff Beal...

2/8/2022

Castle Water’s Commercial Relationship Manager, Geoff Beale, answers a selection...

Read more
The problem with phosphorus

2/8/2022

Phosphorus is found naturally in soil, but its importance as...

Read more
Castle Water receives its 12,000th 5-star Trustpilot review

1/8/2022

Last week, Castle Water, the UK’s largest independent water retailer,...

Read more
Castle Water sponsors the Future Skills Awards at the Chamber Business Champion ...

29/7/2022

Castle Water is delighted to be sponsoring the Future Skills...

Read more
View more