Stop overpaying on your business water bills
Only pay for what you use - fair business water billing
Switch to Castle Water and join thousands of UK businesses benefiting from fair, transparent pricing and award-winning customer support.
Why Choose Castle Water
We put fairness, transparency, and support at the heart of everything we do – offering award-winning customers service, accurate billing, and no hidden fees.
Other Water Suppliers
- Upfront switching charges (sometimes 3 months in advance)
- Billing in advance
- Billed using estimates
- Hidden fees
- Misleading quotes
- Less than 10,000 Trustpilot reviews
Castle Water
- No upfront switching charges
- Monthly billing in arrears
- Billed on estimates
- No hidden fees
- Instant online quote
- More than 20,000 5-star Trustpilot reviews
- Market leading meter reading performance - ensuring more accurate bills
Fair Billing
No pre-payments. No surprises. Just fair, in-arrears billing.
Award-winning Support
Rated 4.55 on Trustpilot with thousands of 5-star reviews.
Switching Made Easy
Seamless onboarding for all organisations.
No Hidden Fees
Everything is clear and upfront – the way it should be.
What sets Castle Water apart?
Our online portal allows you to manage your account effortlessly. Features include:
- Real-time account access: Manage your account online 24/7. Check balances, view bills, submit meter readings, and set up paperless billing, and more…
- Consolidated billing: Simplify your finances with one bill for all your water and wastewater services across multiple premises.
- Flexible payment options: Choose from various payment methods that fit your business needs.
Can you switch water supplier?
You may have been led to believe that switching water supplier is a lengthy and intensive process. Castle Water makes changing water supplier easy.
You can receive a quote online in a matter of minutes, and our friendly Customer Service team are available to answer any questions you may have during the switching process. We take care of everything, letting you focus on the things that really matter.
When should you consider switching?
Thinking about changing your water company? Consider switching if:
- Your water bills don’t match your actual usage
- You notice unexpected increases in your bills
- You’re looking for more accessible benefits
- You need a clear, flexible payment model
- You operate multiple locations and want a simplified billing process
- You desire a user-friendly online account management system
- You feel you aren't getting the customer service you deserve