Switch to Castle Water for award winning business water services for companies and organisations of all sizes.
More 5-star reviews than all other water retailers combined.
Switch to Castle Water for award winning service and to save up to 80% on your fixed water charges
Compare gas and electricity prices from the UK’s biggest providers, in just a few clicks.
Switch to Castle Water for award winning service and to save up to 20% on your business water
We’re now the UK’s largest independent business water retailer thanks to our award-winning customer service.
Meet some of the fantastic people who help us provide that service:
Save up to 80% on your fixed water charges