Switch & Save on Business Water

For better business water switch to the UK’s most trusted business water retailer

  • More than 21,500 5-star Trustpilot reviews
  • No hidden charges or sneaky small print
  • Save on fixed water charges with a quote you can trust
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Why switch your water supplier to Castle Water?

Switching to Castle Water offers business owners greater transparency and insight into their water bills and consumption patterns. You’ll also gain access to a range of features on your online account that make it easy to manage your water services.

We’ll help you to significantly reduce your fixed water charges and achieve your sustainability goals. Our expert team is here to support you and will explain how to move business water supplier effectively, ensuring a smooth and efficient transition.

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Three step switching process

Changing water company doesn’t have to be complicated. Castle Water make switching business water supplier straightforward:

Get an online quote

Enter your postcode to get your free online quote with our switch water supplier tool

Seamless transfer

We take care of your switch, guaranteeing a smooth transition from your previous supplier

Business as usual

Continue operating without disruption while we manage the water switching process

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.

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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
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Small business

You need to focus on your growing business, so why waste time on your utilities? Castle Water customers enjoy fast, efficient service – plus plenty of features that save you time and money.
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Large business

If you are running a large organisation that consumes more than 6,000m³ of water in a single year, we have services designed specifically for you.
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Multiple premises

Do you have multiple business premises? We offer multi-site solutions that allow consolidated billing and can help meet your operational and sustainability goals.
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Switch to Castle Water for specialist services

Switch to Castle Water for a sector-specific approach that meets the unique needs of your industry. Whether you’re a sole trader, commercial or industrial client, we offer tailored solutions and support for your business requirements.

Whether that be a simple water bill for an office, or a consolidated water and wastewater service for a large engineering or construction company.

When you switch to us, we’ll consider all the unique aspects of your business—from multiple premises to wastewater needs and effluent licences. Using this insight, we’ll secure the best fixed water rates tailored to your specific requirements.

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FAQS:

Business owners in the UK can change water suppliers for better water rates. Since the business water market was deregulated in 2017, Castle Water has been the UK’s leading independent water retailer.

If you would like to consider switching water supplier but wouldn’t know who your supplier is, Castle Water can help. Learn how we can help you figure out who your current supplier is and enable the first steps in making a switch here.

If you have any questions at all about finding out who your current supplier is, let our water experts help you.

All you need to do is complete our online quote form. Our team takes care of the rest and manages the entire switching process for you.

We offer competitive rates and award-winning customer service and advice to help our customers to lower their bills, understand their usage, and improve efficiency.

If your business is split across locations or has multiple units billed separately (and through different companies), you can streamline with help from Castle Water. We undertake consolidated billing optimisation to reduce the load on paying water bills and ensure that respectable tariffs reflect similar usage across multiple locations.

We serve a wide range of locations across the UK. We offer market-leading water services to businesses, charities, and public bodies in England and Scotland.

During initial contact, it helps if you have information on how much you use, your bills, what charges your current provider has in place and your Supply Point Identification (SPID) number.

It’s really easy to combine your water and wastewater services with Castle Water and benefit from one tariff, one bill, one payment, one supplier.

No. You can still switch. Customers on a deemed contract are free to switch to other retailers, provided their account is not in debt and they are not party to a fixed term contract. We’ll guide you through the options and help you find a better deal.

Ready to make the switch and start saving?

Get an instant, no obligation quote and take control of your business water today.

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