Get a quote

Do you support local business? So do we.

That’s why, for a limited time only, we are offering all businesses in Scotland a price match guarantee, on any valid competitor quote.

Castle Water started as a small business operating out of Perthshire. Now the UK's leading independent water supplier, we want to put savings back into the pockets of local Scottish businesses.

From supplying to a handful of customers, we've grown to provide water services to hundreds of thousands of business customers.

Switch to Castle Water and see why we have more 5-star Trustpilot reviews than all other water retailers combined.


The service you need, at the price you want

We have everything you need to get the most from your business water services:

  • A 5-star service at an unbeatable price
  • Support from our friendly and knowledgeable team based in Scotland
  • Practical advice and support that's tailored to your business needs

Only pay for what you use

We make it easy to submit your meter readings online in just a few clicks, so your bills stay up-to-date and you only pay for what you use. You’ll have one simple bill for all your water and wastewater services, paid securely by monthly Direct Debit.

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Stay in control

Our online, self-serve tools will help you manage your Castle Water account and keep your costs down. For those needing specialist support, our additional service partners can provide you with bespoke services covering things like water efficiency, continuity planning, and trade effluent.

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