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, 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 Others segment includes Construction and operation of solar power plants Fukuoka SoftBank Hawks related businesses. The company was founded by Masayoshi Son on September 3, 1981 and is headquartered in Tokyo, Japan.