Castle Water

We’re the UK’s largest independent business water retailer, trusted by more than UK businesses. We're the only UK water retailer that will give your business an instant online quote. No hidden charges. No exit fees. We started with a mission and a handful of people. Our mission was to provide quality and trusted water retail services to businesses in England and Scotland with an unwavering commitment to fairness and transparency. 10 years on we are a team of over 300 people driven by our values of integrity, transparency, and fairness at the core of every action, and united by a culture of collaboration, trust and a pro-active approach to problem solving. As we continue to grow, we remain at the forefront of the UK water market, focused on providing all our customers with award-winning customer service.