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
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.
– Danuta, Castle Water customer
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.