WPP's UK revenue has grown 2.1% to GBP461m on a like-for-like basis in the third quarter of 2016 amid a slowdown in advertising activity in Britain. Globally, the owner of Ogilvy & Mather and MediaCom reported a 3.2% rise in group revenue to GBP3.61bn on a like-for-like basis, which excludes acquisitions and disposals.