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
Postcodes: OX3, OX4 | We are aware of an issue with your water supply. The Thames Water team are carrying out urgent repairs and will get your water supply back to normal as quickly as possible. For the latest updates, please visit Thames Water.
Our service focus on getting you the best deal on your business water. We take into account your unique business requirements, the sector you work in and your location among many other factors to ensure that you have access to the best possible business water savings.
Unlike other retailers our quotes don’t have hidden retail fees in the small print, and we don’t do exit charges. We have more 5-star customer reviews and more meter readers than any other UK water retailer. We’re fully independent from Wholesalers, and the only retailer taking all possible steps to resolve customer problems resulting from Wholesaler data errors.
UK businesses are fed up with getting fleeced by hidden retail charges, poor service and confusing bills from other water retailers. At Castle Water, we’ve found a better way to do business water.
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.
We’re 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.
Sometimes getting more than you bargained for isn’t a good thing. Luckily, UK businesses are free to switch business water suppliers, so you can make bad service and hidden fees a thing of the past in just a few clicks.
One minute you’re hiding from bad service and hidden fees, and the next your enjoying the relief of a quote you can trust, flexible payment options, award-winning service, one simple bill, and savings of up to 80% on fixed water charges.
Nobody wants to find out that they are overspending on their water, and there are so many factors that can make a bill the way it is, from the size and shape of a premises to the industry your business works in.
While many of these factors are out of your hands, one thing that is not is the supplier that you choose.
Trust in our experienced team.
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.