SoftBank Group Corp. is a Japanese multinational telecommunications and Internet corporation established on September 3, 1981, and headquartered in Tokyo, Japan. It has operations in broadband, fixed-line telecommunications, e-commerce, Internet, technology services, finance, media and marketing, semiconductor design, and other businesses. The company is headed by founder Masayoshi Son.
SoftBank was ranked in the Forbes Global 2000 list as the 62nd largest public company in the world, and the third largest public company in Japan after Toyota and Mitsubishi UFJ Financial. Between 2009 and 2014, SoftBank's market capitalization increased by 557%, the fourth largest relative increase in the world over that period.
SoftBank bought COMDEX from The Interface Group in 1995, and in 1999 allowed organizers of COMDEX to restrict admission of media, creating a spiraling effect.
SoftBank's corporate profile includes various other companies such as Japanese broadband company SoftBank BB, data center company IDC Frontier, gaming company GungHo Online Entertainment, and the publishing company SB Creative. SBI Group is a Japanese financial services company that began in 1999 as a branch of SoftBank. Ymobile Corporation is another telecommunications subsidiary of SoftBank, established in 2014. In 2010 SoftBank founded Wireless City Planning (WCP), a subsidiary that will see the development of TD-LTE networks throughout Japan. SoftBank also operate SoftBank Capital, a U.S.-based venture capital company. The COMDEX expo in the U.S. was owned by SoftBank from 1995 to 2001. Since 2005 SoftBank also owns the Fukuoka SoftBank Hawks professional baseball team. SoftBank also operates in the eco-power industry through its SB Energy subsidiary.
Additionally, it has various partnerships in Japanese subsidiaries of foreign companies such as Yahoo! (which has resulted in Yahoo! Japan), E-Trade, Ustream.tv, EF Education First and Morningstar. It also has stakes in Alibaba Group and Sprint Corporation.
SoftBank Corp. is SoftBank's telecommunications subsidiary, providing both mobile and fixed-line services. It was previously called SoftBank Mobile until July 2015 with the Group's merger of SoftBank BB Corp., SoftBank Telecom Corp. and Ymobile Corporation to reflect its new status of providing fixed-line and ISP operations.