Switch to cheaper, better business water

  • Save up to 80% on fixed charges
  • Never pay your bill in advance
  • Quick online account access
  • No fuss with one simple bill
  • Free water efficiency advice
  • Over 11,000 5-star Trustpilot reviews

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With utility prices on the rise, now is the time to get the best deal on your business water.

Whether you're switching to save, switching for better service, or switching to never pay in advance, we've got you covered with cheaper, better business water services.

And with more 5-star Trustpilot reviews than all other water retailers combined, we can't be beaten on service.

"The best in the market"

- Danuta, Castle Water customer

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There's never been a better time to switch and save on your business water

Don't settle for 2nd best. We've got more 5-star Trustpilot reviews than all other water retailers combined.

Switching to Castle Water is easy and quick. We'll give you our best deal and take care of everything while you run your business as normal.

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