rps group plc on thursday reported a 15 rise in fee revenue for the third quarter of the year on a constant currency basis which it attributed to positive market trends in urbanization natural resources and sustainability the londonlisted professionalservices firm said that fee revenuea key metric for the industrywas 1449 million pounds 1625 million for the quarter ended sept 30 compared with gbp1260 million for the comparable period last year on a constant currency basis it added that the companys contracted order book at sept 30 was up 5 compared with the same quarter last year