Omnicom Group Inc., together with its subsidiaries, provides advertising, marketing, and corporate communications services. It provides a range of services in the areas of advertising, customer relationship management, public relations, and healthcare. The company's services include advertising, branding, content marketing, corporate social responsibility consulting, crisis communications, custom publishing, data analytics, database management, digital/direct marketing, digital transformation, entertainment marketing, experiential marketing, field marketing, financial/corporate business-to-business advertising, graphic arts/digital imaging, healthcare marketing and communications, and in-store design services.