Gameone Holdings Limited, an investment holding company, engages in the development, operation, publishing, and distribution of online and mobile games, and online PC games in Hong Kong, the People's Republic of China, and Taiwan. The company operates through The Game Business and The Software Service Business segments. It also engages in the provision of internet security technical and big data related analysis services; software and communication equipment development, distribution, and technical consulting; and sales of supplies. Gameone Holdings Limited was founded in 1999 and is headquartered in Wan Chai, Hong Kong.