The acquisition of the consultant is subject to regulatory approvals. The strategic move already has shareholder approval from the Montreal-based firm, which has 1,100 employees and a core strength in hydropower, Aecom said.

In a statement, Tecsult chief executive, Luc Benoit, said: ‘We are very proud to become Aecom’s global centre of excellence in hydropower and dams, and to be taking a leadership role in Aecom’s international development programme.’

Aecom’s chief executive, John M Dionisio, added: ‘Aecom is expanding its energy practice – particularly in hydropower.’

Tecsult, which was established in 1961, is active globally and will become part of Aecom’s international development group with a focus on hydropower but also addressing infrastructure needs such as water and transport as well as continue to be active in the Canadian market.