Dentsu Inc. engages in the provision of advertising and communication-related solution services. It operates through the following segments: Advertising, Information Services, and Other. The Advertising segment plans, develops, markets, and executes advertising via a wide range of media including newspapers, magazines, radio, television, the Internet, sales promotions, movies, outdoor, and transits. The Information Services segment provides information system consulting, development, and operations; software project sales, and general network services. The Other segment includes real estate leasing, sales, and brokerage; insurance agency business, temporary staffing, and accounting services. The company was founded by Hoshiro Mitsunaga on July 1, 1901 and is headquartered in Tokyo, Japan.