Start saving today.
Cut the cost of your business water.

As a business, you can now choose your water and waste water supplier in the same way as you can choose your energy or telecoms provider.

The Open Water Market - #OurWaterWorld

Switching to Castle Water could help your business save up to 20% on its water bills, plus our customer service has more 5-star Trustpilot reviews than all the other water retailers combined.

  • Save money
  • Switching is easy
  • Improved service
  • Accurate bills
  • Flexible payment options
  • Increase water efficiency

We make saving money easy

Switch and save with Castle Water.

1. Tell us a bit about your business and how you use water.

You can do this online, by email, or over the phone.

2. Find out how much you can save.

Our quote will show you our price for water and how much you could save.

3. Start saving!

We’ll manage your transfer and keep you updated every step of the way – so you can relax and enjoy the benefits.

How much could you save? Find out now…

Click here to get an instant quote

Castle Water is the UK’s leading independent business water supplier. Our dedicated team can explain how the new open water market works – and show you how you can cut your costs. You can chat with us online now, or call us on 01250 718700.

Introduction to Castle Water

We’re proud of our story. When we launched Castle Water in 2014, we had a clear vision. Watch our new video below to learn what that vision was and how we have worked hard to achieve it.