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Castle Water: The Best
Water Suppliers for Business Owners

we offer a range of industry leading business water solutions 

Castle Water is the UK’s leading independent business water supplier, providing water and wastewater services to hundreds of thousands of businesses, charities and public bodies in England and Scotland. Work with the UK’s best water supplier to ensure accurate billing and second-to-none advice.

Why choose Castle Water?

Servicing more than 350,000 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.

Here are just a few reasons why you should choose Castle Water.


Save up to 80% on your fixed water charges

Products and services:

water meter

A wider range of additional services

Castle Water customers gain the benefit of better water control through a comprehensive range of services we provide. They include:

  • Automatic meter reading – no more second guessing or overpaying on bills. Automated reading is helping our customers save thousands.
  • Consolidated billing – minimise the time you spend dealing with your organisation’s expenses.
  • Flexible payment options – We accept all major payment methods. Simply choose the best option to suit your business.
  • Water efficiency advice – Our experts are on hand to advise how Castle Water can help your business use water as efficiently as possible, ensuring that you are not unnecessarily overpaying while providing solutions to reduce water usage.

Large and multi-site businesses

Our services include:

  • Water supply continuity and contingency planning – contingency planning for water outages, emergency supplies, temporary water for events and assured response contracts.
  • Automatic meter reading (AMR) across sites – regular performance reports will help ensure that you are not paying more than necessary for your water.
  • Water efficiency audits – help understand your water usage so you can reduce costs.
  • Leak detection and repair – leaks that go undetected can substantially increase water bills, reduce water pressure and cause physical damage. We can help you fix leaks and carry out repairs.
  • Trade effluent – we can improve the way your organisation deals with water waste, ensuring that it is both sustainable and environmentally sound.
multi site

If you are a large or multi-site business, Castle Water can provide you with a framework of additional services through agreements with industry-leading partners.

These services can be offered at any scale, we’re also among the best water supplier for small business and can help local and independent businesses save on water with area and industry specific guidance.

Switch over to Castle Water

If you are thinking about switching your water supplier, request a quote today and see how much you could save. It’s quick and easy. Why wait?

What our customers say about us