Media companyHeadquarters:
New York, NYOmnicom Group Inc. is an American global media, marketing and corporate communications holding company, headquartered in New York City.
Omnicom's branded networks and specialty firms provide services in four disciplines: advertising, customer relationship management, public relations and specialty services.Subsidiaries:
BBDO, TBWA Worldwide, DDB Worldwide, MORECEO:
John Wren