Publicis Groupe is a French multinational advertising and communications company, headquartered in Paris, France. It is one of the world's three largest advertising holding companies (the others being Omnicom, and WPP). Its current president is Maurice Lévy. Publicis Groupe S.A. provides digital and traditional advertising, media services, and specialized agencies and marketing services (SAMS) to national and multinational clients.

The company owns several full-service advertising groups that undertake a range of media activities: mobile and interactive online communication, television, magazines & newspapers, cinema and radio, outdoor. The company’s SAMS services include direct marketing/customer relationship management services, sales promotion, healthcare communications, multicultural and ethnic communications, corporate and financial communications, human resources communications, public relations, design services, interactive communications, events marketing and management, sports marketing, and production and pre-press services. Its media services include media planning, media buying, and media sales. Publicis Groupe's Vivaki pole has developed a technological platform supported by Microsoft, Google, Yahoo! and AOL Platform A technologies that offers advertisers the possibility to target specifically defined audiences in a single campaign across multiple networks.