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
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Switch to Castle Water for award winning service and to save up to 20% on your business water
The only water retailer that will give you an instant online quote in as little as three minutes. All we need is some basic information about your business.
Log in to your online account to view bills, submit meter readings, check your usage, find your water meter, track support cases and more.
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From UK businesses enjoying better business water
UK businesses are fed up with getting fleeced by hidden retail charges and confusing bills from other water retailers.
We’re the only water retailer that does instant online quotes.
Unlike other retailers, our quotes don’t have sneaky fees in the small print.
With our monthly in arrears option you won’t pay in advance.
One straightforward bill for all your water services.
We’re the top-dogs for trade effluent expertise – we make the process simple for you.
Log in to your account online to view bills, submit meter readings, check your usage and more.
And with savings of up to 80% on fixed charges, we don’t just make business water better, we make it cheaper too.
Unlike many other water retailers, we’re completely independent from Wholesalers.
Everything we do is in the interest of our customers. If you’re ever in dispute with your Wholesaler, it helps to have the reigning heavyweight in your corner.
We’re not afraid of a challenge and our track record is full of wins – from negotiating price reductions to pushing for fairer market conditions that have saved our customers millions.
Manage your account safely and securely online anywhere, anytime from your desktop or smartphone.
Manage payments and find invoices and statements for one or multiple accounts all in one place.
Find your meter, submit meter readings and track usage to make sure you only pay for the water being used.
Set up Direct Debit quickly and securely for all your accounts in just a few minutes using the portal.
Find the answers you need, track support cases and submit requests faster than ever before.
Servicing more than 250,000 customers, we're proud of the savings we've delivered with no ties to traditional network owners, which means we can fight for cost reductions while offering quality customer care.
Your business doesn't just need water, it needs the right water retailer with the expertise to manage your account and the influence to support you when it really counts.
With no ties to traditional network owners, we can fight for cost reductions while providing quality customer care.
From bespoke consent limits and applications to compliance challenges, you can trust our market-leading leading expertise.
Our tailored solutions, including Contingency Planning and Leak Detection and Repair, support efficiency, reduce costs, and mitigate risk.
Castle Water prioritised a data cleanse of SUEZ’s entire portfolio to rectify the inherited market errors and ensure accurate billing. To cater to SUEZ’s multi-site needs, Castle Water implemented its consolidated billing solution to simplify billing and improve cost management.
Julie Swanepoel, Procurement Officer at SUEZ, said: “Castle Water continue to provide exceptional service and support. Consolidating all our sites with Castle Water has generated real efficiencies and cost savings, and they deliver vital support in the management of our business water across the UK. Their additional water services and water efficiency measures offer added value and environmental benefits and highlight our aligned sustainability values.”
Find out how your staff use water and discover ways to reduce your business water use to help the planet and cut your costs.