Publicis Omnicom

Publicis Omnicom, which will result from the US$35.1 billion merger of Publicis and Omnicon, will be the biggest ad agency in the world, with combined sales of nearly US$23 billion and 130,000 employees. The merger plans were announced in July 2013.

Workers at the New York Stock Exchange prepare signage to mark the merger of Omnicom and Publicis. Photo: EPA

Ad groups plot to compete with new Publicis-Omnicom

A plan to merge Publicis and Omnicom into the world’s biggest advertising group has rivals ready to poach their blue-chip clients that might leave the new agency as it faces potential conflicts of interest.