Aegis Group (including Isobar) is the biggest interactive media services organization, accounting for 28 percent of all digital media personnel among the six holding companies worldwide, according to RECMA, MediaPost reports (via MarketingCharts). Aegis Group's 1,400 staffers worldwide surpass second place WPP GroupM Interaction's 1,224.
Third through sixth place among holding companies worldwide: Publicis Groupe Media with 897 digital staffers; Omnicom Media Group with 590; Interpublic with 542; and Havas Media with 344.
RECMA estimates that 4,997 people work for digital agencies, with nearly half - 2,431 - in the US, where GroupM has 619, Isobar has 595, Publicis has 453, Interpublic has 365, Omnicom has 320 and Havas has 79.
RECMA's estimates cover eight countries: the US, the UK, France, Germany, Spain, Italy, Australia and India.
