Omnicom Media

One of the top three global media agency networks by billings, competing directly with GroupM and Publicis Media for the world's largest advertising accounts.

Omnicom Media Group (OMG) is one of the world's largest media services companies, operating as the media division of Omnicom Group Inc. It encompasses a portfolio of globally recognized agency brands — most notably OMD, PHD, and Hearts & Science — each offering distinct strategic approaches to media planning, buying, and optimization. Together, these agencies manage hundreds of billions of dollars in media spend annually on behalf of some of the world's most prominent brands across virtually every industry sector. OMG's agencies leverage proprietary data platforms, advanced analytics, and technology partnerships to deliver integrated media strategies spanning traditional broadcast and print, digital display, programmatic, search, social, and emerging channels such as connected TV and retail media. The group invests heavily in data science and AI-driven tools to enhance audience targeting, campaign measurement, and return on investment for its clients. Its Annalect data and analytics unit serves as a shared intelligence backbone across the agency network. In the competitive media agency landscape, Omnicom Media Group stands alongside WPP's GroupM, Publicis Media, and IPG Mediabrands as one of the dominant global holding company media networks. Its scale provides significant negotiating leverage with media owners, access to premium inventory, and the ability to invest in proprietary technology and talent. The group's global footprint spans more than 100 countries, making it a critical partner for multinational advertisers seeking coordinated, data-driven media strategies at scale.