Currie & Brown has been chosen to carry out consulting services on a scheme to manage flood risks, expand access to green spaces and increase biodiversity around the river Thames.
The consultant was appointed to the £500m project by the Environment Agency and Surrey County Council.
The River Thames Scheme will create more than eight kilometres of new flood channel and increase the capacity of three existing weirs and downstream of the Desborough Cut, reducing flood risks for more than 11,000 homes and 1,600 small businesses.
This channel will be flanked by new areas of public green open space for recreation.