SoftBank Group Corp. operates as a holding company which engages in the management of its group companies. It operates through the following segments: SoftBank Vision Fund, SoftBank, Arm, Brightstar, and Others. The SoftBank Vision Fund segment engages in the investment business. The SoftBank segment provides mobile communication, broadband, and telecom services in Japan. The Arm segment designs microprocessors and develops software technologies. The Brightstar segment engages in the distribution of mobile devices overseas. The Others segment includes smartphone payments business, alternative investment business, fund business in Latin America and operation of the baseball teams. The company was founded by Masayoshi Son on September 3, 1981 and is headquartered in Tokyo, Japan.