System Upgrade Underway: As part of our commitment to enhancing our customer experience, we are currently carrying out upgrades to our system. During this short period it may take longer than usual for your payments to be allocated to your account. We are aiming for payment allocations to be up to date by Tuesday 2nd June 2026.

Potential fraud warning

Castle Water Limited is aware of some of its customers being approached for payment by an unrelated company, Castle Business Water Services (CBWS) Limited, also known as UK Business Water Supply Ltd or UKBW Castle Business Water.

Castle Water Limited has no connection to this company and has reported its activities to Police Scotland, Action Fraud, Ofwat and WICS.

Castle Water Limited is regulated by Ofwat and the Water Industry Commission for Scotland (WICS).

Customers can view Castle Water’s licences on the Ofwat and WICS websites.

Payment information, including bank account details, can be checked on our invoices, and on the How to Pay section of our website www.castlewater.co.uk/howtopay & https://www.castlewater.co.uk/business-water-billing-services

If you believe you may have been affected by this matter or had contact from Castle Business Water Services (CBWS) Limited, UK Business Water Supply Ltd or UKBW Castle Business Water, you can contact our legal team on:

Tel: 01250718700

Email: litigation@castlewater.co.uk

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