Hutchison Telecommunications Hong Kong Holdings Limited () is a telecommunications operator in Hong Kong. It operates GSM dual-band, 3G, 4G LTE mobile services in Hong Kong and Macau under the licensed global Three brand. It launched a 5G service in Hong Kong on 1 April 2020 and is flourishing into a digital operator in the new 5G era. It was listed on the Stock Exchange of Hong Kong on 8 May 2009 by way of introduction from the spin-off of Hutchison Telecommunications International. It is now a subsidiary of CK Hutchison Holdings. In October 2017, Hutchison Telecommunications Hong Kong Holdings Limited disposed of its fixed-line subsidiary Hutchison Global Communications (HGC) to Asia Cube Global Communications Limited for HK$14.5 billion ($1.86 billion US) to focus on mobile business. Business 3 Hong Kong 3 Macau References External links Telecommunications companies of Hong Kong CK Hutchison Holdings Telecommunications companies established in 2009 2009 establishments in Hong Kong Companies listed on the Hong Kong Stock Exchange