DENTSU GROUP INC., formerly DENTSU INC. is a Japan-based company principally engaged in the provision of communication-related services with a focus on advertising. The Company operates advertising business and information service business in domestic business. The advertising business is involved in the provision of advertising and marketing services and the contents business. The information Service business is involved in the development and operation of information-related systems, the sale of software products, as well as the provision of general network service and consulting service. The others business is involved in the rental management of buildings, the trading and brokerage of real estate and the non-life insurance agency business. The Company operates advertising business in overseas business, which is mainly engaged in the provision of advertising and marketing services.