On 1 April 2017, the market to supply business customers opened. Immediately prior to market opening, Anglian Water Services transferred its non-household retail business to Anglian Water Business (National) Limited.

On 31 August 2017, the shares in Anglian Water Business (National) Limited were sold to Wave Ltd. Wave is a joint venture between Northumbrian Water Group and Anglian Water Group.

Anglian Water Services is no longer able to supply water directly to business customers (unless they have obtained a licence from Ofwat to enable this to take place).