The CEO talks to Campaign after WPP's revenues grew less than 1%
North America saw revenues fall by 2.7% for the year, while APAC, Latin America, Africa, Middle East and Central and Eastern Europe grew organic revenues by 3.7%
Using fewer freelancers has improved margin and saved nearly $133 million
Campaign reports from capital markets day where WPP presented to investors
French group cements status as most valuable agency holding company among global peers
US agency group buys digital commerce business from owner of Cannes Lions
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