
	Omnicom Group Inc. is an American global advertising, marketing and corporate communications holding company, headquartered in New York City. It is the world&#39;s top corporate media services conglomerate and one of the &quot;Big Four&quot; agency companies (alongside WPP, Interpublic and Publicis).The company oversees an international network of more than 1,500 agencies and provides services for over 5,000 clients in more than 100 countries worldwide.
