Case Studies

How Castle Water saved £6 million for customers in 2020 during the pandemic


SUEZ switch over 200 sites to Castle Water for optimised services and solutions


SUEZ switched to Castle Water to consolidate its full portfolio...

Read more
Millions saved for customers with free AMR project


As part of our commitment to help customers improve water...

Read more
£13,000 leak allowance for Verulam School


Castle Water helped Verulam find and fix a leak, and...

Read more

Latest Case Studies

Sweetening the deal: Castle Water resolve loss of water pressure at leading UK cane sugar manufacturer


Read more
Drought Resilience through Innovation


Our pilot scheme aims to provide more flexible local water supplies, improve drought resilience, and incentivise business customers to save water....

Read more
Halfway and District Bowling Club recommend switching to Castle Water


By taking advantage of Castle Water's partnership with Bowls Scotland, Halfway & District Bowling Club was able to score a brilliant deal on their annual water and wastewater bills....

Read more
Focus Academy Trust saved £7.5k on their water bill


Focus Academy Trust is set to save £7,500 on their annual water bill following the appointment of Castle Water, the UK’s leading independent water retailer, as their sole water supplier....

Read more
AMR cuts £40k from annual water bill


Castle Water partnered with one of the largest non-metropolitan police forces in England on an AMR project. This customer became interested in AMR as part of its environmental commitment to...

Read more

Switch for award-winning service

Switch to Castle Water to save up to 20% and enjoy simple ways to manage your account online. Our award-winning service has more 5 star Trustpilot reviews than all other water retailers combined.

Get a quote