G Three Holdings Corp. engages in the management of its subsidiaries and environment-related business. It operates through the following segments: SBY Business, Environment Related Business and FATBURGER Business. The SBY Business segment handles the store sales business as well as the production, direction, promotion and marketing business relating to young female demographic. The Environment Related Business segment covers the sale of environment related products, purchase and sale of photovoltaic power generation sites, as well as provision of consultancy services for introducing photovoltaic power generation systems. The FATBURGER Business segment provides food services through the company FAT BRANDS INC. The company was founded in May, 2000 and is headquartered in Tokyo, Japan.