UBoT Holding Limited, an investment holding company, engages in the research and development, manufacture, and sale of back-end semiconductor transport media, micro-electro-mechanical-system (MEMS), and sensor packaging products. The company operates through Back-end Semiconductor Transport Media; and MEMS and Sensor Packaging segments. The company offers tray and carrier tape that are primarily used for the protection of semiconductor devices, including power discrete semiconductor device, optoelectronic, integrated circuits (IC) and sensors, etc. It also provides promotion and marketing services; and technical and customer service support. The company serves fabless semiconductor enterprises, integrated device manufacturers, IC assembly, and packaging test providers. It operates in Hong Kong, the People's Republic of China, Southeast Asia, Taiwan, the United States, Europe, Korea, and Japan. The company was founded in 2005 and is headquartered in Tsuen Wan, Hong Kong.