Save up to 20% on your bill with Castle Water

Why switch to Castle Water?

  • We make switching easy and stress free
  • Fast efficient service from our UK based team – we answer calls within an average of 33 seconds*
  • We can provide one simple bill that’s hassle free with Direct Debit
  • From consent and compliance, to billing and efficiency, we’ve got trade effluent covered too
  • We’ll help you find simple ways to save water and money

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

Get your instant business water quote!

Businesses in England

Multi-site businesses in England

Businesses in Scotland