Switch to Castle 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.

Save up to 20% on your bill with Castle Water.

We’ve got more 5-star Trustpilot reviews than all other water retailers combined!

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Benefits of switching to Castle Water

Our mission is simple. We’re here to provide an excellent water service for your business at the best possible price.

By switching to Castle Water, you can expect:

  • One easy-to-understand bill for all your water services
  • Accurate and efficient meter readings
  • Customer services tailored to your business needs
  • Practical advice to help your business improve water efficiency
  • Easy online self-serve tools to pay your bill, set up Direct Debits and much more
  • Consolidated billing for customers with multiple sites
  • Access to our specialist partners to support your additional water management needs

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