Hutchison Telecommunications Hong Kong Holdings Limited, an investment holding company, engages in mobile telecommunications business in Hong Kong and Macau. The company offers range of mobile telecommunications services and products, such as digital lifestyle and roaming services, as well as 5G Broadband, telemedicine, dietitian consultation, gaming, music, entertainment, mobile protection, and security applications; prepaid SIM cards with 4G data; and data plans. It also develops business and corporate solutions covering mobile business, information technology, smart city, Internet of Things, and big data, as well as provides solutions for indoor high speed internet access and 5G smart car park solutions. In addition, the company offers voice services, including local, international direct dialing (IDD), and international roaming services. The company offers diverse mobile telecommunications and data solutions under the 3 Hong Kong, 3 SUPREME, SoSIM, and Mo+ brand names. Hutchison Telecommunications Hong Kong Holdings Limited was incorporated in 2007 and is headquartered in Central, Hong Kong. Hutchison Telecommunications Hong Kong Holdings Limited operates as a subsidiary of Hutchison Telecommunications Investment Holdings Limited.