Trekking 54 miles is hard
Switching to Castle Water isn't
Proud to sponsor the 2025 Cateran Yomp for the 7th year
Going the extra mile for our customers
Thousands of UK businesses are already reaping the benefits of significant savings on their water bills. For over a decade, we’ve been helping organisations of every size, big and small, navigate the complexities of water services. From seamless switching to tailored solutions, our dedicated team makes sure you get the best possible service without the stress or hassle.
We believe in going the extra mile for our customers. That means no hidden fees, no sneaky small print, and a commitment to clarity and honesty. We’re proud to offer award-winning customer service that’s been recognised across the industry, ensuring you always have the support you need, whenever you need it.
Hassle free
switching
We take care of the entire process so you can focus on what matters most - your business. From start to finish, we handle every step of the switch, making it as smooth and stress-free as possible.
Award winning
customer service
Our customers are at the heart of everything we do. Our team is always on hand to provide the highest standard of service, making sure you get quick answers and ongoing support.
Tailored solutions for
every business
No two businesses are alike - and neither are their water needs. We provide bespoke solutions that fit your unique requirements, ensuring you only pay for what you actually use, with no unnecessary extras.
Get a quote
in minutes
Get an instant, no-obligation quote in just minutes. We believe in transparency, so you’ll never encounter unexpected costs or hidden surprises - just straightforward, honest pricing.
Meet Team Castle Water
Kevin McIntyre
Kevin, Disconnection Quality Assurance Leader and a seasoned Cateran Yomp participant, is back for his fourth year despite declaring last year would be his final Yomp!
Peter Strain
Market Operations Development Manager, Peter, is taking part in the Cateran Yomp to fundraise for a fantastic cause all while testing his endurance and strength.
Chris Mills
Chris Mills, Wholesale Quality Assurance Manager, is lacing up his boots for his first-ever Cateran Yomp, eager to test his limits and raise money for a great cause.
Keep your footing with trusted reviews
Join the thousands of customers who’ve already discovered smoother terrain with Castle Water.
Check out our Trustpilot reviews to see why so many businesses trust us to guide them towards lower water charges and exceptional service.
Castle Water has more five star reviews than any other water retailer, proving we’re dedicated to supporting you every step of the way.
Start your savings journey today
Embark on a journey to better billing, exceptional service, and significant savings with Castle Water. Our expert guides will walk you step by step through the process of switching water supplier, making the trail to lower water charges easy to navigate.
Discover how much your business could save on water and wastewater services. Get a free online quote, just enter your postcode and a few details to start your switch today.