Ofwat is looking to set up a legal panel to support its work in relation to the Thames Tideway Tunnel and large-scale enhancement projects procured by water companies under the water services regulator's Direct Procurement for Customers Initiative.
The legal work is estimated to be worth £994,000 over a five-year period.
The approach to market date is 3 September 2018. The contract is expected to start on 3 October 2018 and run until 2 October 2023.
The procurement is to be conducted under the light touch regime.