• SAVE WATER

    Help your business save water and money.

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  • CUT YOUR COSTS

    Reduced rates and improved services.

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  • HOW TO SWITCH

    Switching is easy. Just follow these easy steps.

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  • HOW TO PAY

    Learn more about your payment options.

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Latest news and case studies

Castle Water supports Save the Children’s Christmas Jumper Day

Castle Water CEO proposes new ethical framework at Social Contract Summit

Castle Water logo. Castle Water customer service update June 2018

Castle Water wins phase two of multi-million pound CCS deal

Brrr…illiant advice to protect your business this winter

Castle Water nominated for Business Star Awards 2018

University benefits from £25.5k savings per year on water bill

Large Water Users

From dedicated account management to consolidated billing and technical support, we offer a range of specialist services for large and multi-site customers.

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  • WATER MANAGEMENT

    Get the most from your water services.

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  • ONE SIMPLE BILL

    For water, wastewater and multiple sites.

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  • HELP & ADVICE

    Speak with an advisor online right now.

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