Dentsu Group Inc. operates in the advertising business in Japan, the Americas, Europe, the Middle East and Africa, and the Asia Pacific. The company offers advertising services, including newspapers, magazines, radio, television, internet, sales promotions, movies, out-of-home, public transportation, and other services. It also provides event marketing, creative, marketing, public relation, contents, and other services. In addition, the company sells software and develops systems, as well as offers outsourcing/operation/maintenance services. Further, it rents office buildings; and buys and sells real estate properties, as well as offers building maintenance services. Dentsu Group Inc. was founded in 1901 and is headquartered in Tokyo, Japan.