The environmental consultant’s fee income was £140mln (£139mln) in the September quarter with a mild pick-up in its ailing Australia and Asia Pacific division after cost-cutting.
Shares lost a third of their value in June on a warning about a slowing Australian economy.
In Europe, Norway was good, but the UK & Ireland was affected by Brexit.
Net bank borrowings also edged up by £7mln to £108.1mln.
John Douglas, chief executive, said that trading was in line with expectations, but that the group “remains conscious of the current economic and political landscape”.
Shares were flat at 124.4p in Thursday morning trading.