GSK’s demand for pitching agencies to state a percentage ‘rebate’ and sign-on ‘bonus’ is just the latest in a raft of requests in 2013 from clients, says the author.
Omnicom, the US marketing services behemoth, is set to announce its intended merger with the French ad giant Publicis Groupe at 9am French time on Sunday (28 July), confirming what would be the biggest advertising deal in history.