Omnicom Group Inc., together with its subsidiaries, offers advertising, marketing, and corporate communications services. It provides a range of services in the areas of media and advertising, precision marketing, public relations, healthcare, branding and retail commerce, experiential, execution, and support. The company's services include advertising, branding, content marketing, crisis communications, customer data analytics and data-driven decision making, customer relationship management, decision sciences, digital experience design, digital transformation, e-commerce optimization, entertainment marketing, experiential marketing, field marketing, healthcare marketing and communications, in-store design, investor relations, and marketing research.Its services also comprise media planni…