Switch your business water and wastewater today.

Cut the cost of your business water.

Castle Water has more 5 star Trustpilot reviews than all other water retailers combined.

If you've never switched your business water retailer, you could be paying more than you need.

Switch today to the UK's leading independent business water retailer.

Get your business water quote now!

Online Quote

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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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Snap up our competitive electricity and gas prices. How much could you save?

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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