Dentsu Inc. engages in the advertising and communication-related solution services. It operates through Japan and International segments. The Japan segment offers marketing design, creative sphere, digital and social media content, communication design, promotions, data solutions, and social solutions. It also offers consulting services, software products, comprehensive network services, real estate management and sale, and non-life insurance agencies. The International segment provides global network and multi-market brands. The company was founded by Hoshiro Mitsunaga on July 1, 1901 and is headquartered in Tokyo, Japan.