| CityLinkers Capital Management Limited | Private company limited by shares | Live |
| CityLinkers Secretarial Services Limited | Private company limited by shares | Live |
| CITYLION LIMITED | Private company limited by shares | Dissolved |
| CITYLION LIMITED | Private company limited by shares | Dissolved |
| CITYLITE ELECTRICAL SUPPLY CO., LIMITED | Private company limited by shares | Live |
| CITYLITE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CITYLITE TRADING CO., LIMITED | Private company limited by shares | Live |
| Citylogic Holding Limited | Private company limited by shares | Live |
| CITYLOVER (HK) INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| CITYMACE LIMITED | Private company limited by shares | Dissolved |
| CityMaison Limited | Private company limited by shares | Live |
| CITYMALL LIMITED | Private company limited by shares | Dissolved |
| CITYMALL LIMITED | Private company limited by shares | Live |
| CITYMAN LIMITED | Private company limited by shares | Dissolved |
| HONGKONG CITYMANOR ARCHITECTS & LANDSCAPE DISIGN CONSULTANTS LIMITED | Private company limited by shares | Live |
| CITYMARK LIMITED | Private company limited by shares | Dissolved |
| CITYMARK LIMITED | Private company limited by shares | Dissolved |
| CITYMART LIMITED | Private company limited by shares | Dissolved |
| CITYMART LIMITED | Private company limited by shares | Live |
| CITYMATCH LIMITED | Private company limited by shares | Dissolved |
| CITYMATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CITYMATE LIMITED | Private company limited by shares | Dissolved |
| CITYMAX LIMITED | Private company limited by shares | Dissolved |
| CITYMAX LIMITED | Private company limited by shares | Dissolved |
| CITYMAX LIMITED | Private company limited by shares | Live |
| CITYMAX VIDEO PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| CityMed Limited | Private company limited by shares | Live |
| CITYMEDAL LIMITED | Private company limited by shares | Live |
| Citymega Group Limited | Private company limited by shares | Dissolved |
| CITYMETRO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CITYMILL LIMITED | Private company limited by shares | Dissolved |
| CITYMORE LIMITED | Private company limited by shares | Dissolved |
| CityMuse Limited | | Live |
| CITYNEON DISPLAYS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CITYNEON DISPLAYS & CONSTRUCTIONS ( HONG KONG ) LIMITED | Private company limited by shares | Live |
| Cityneon Hong Kong Company Limited | Private company limited by shares | Live |
| CITYNET LIMITED | Private company limited by shares | Dissolved |
| CITYNET LIMITED | Private company limited by shares | Dissolved |
| CITYNET LIMITED | Private company limited by shares | Live |
| Citynet CWB Limited | Private company limited by shares | Live |
| CITYNET CENTRAL LIMITED | Private company limited by shares | Live |
| CITYNET COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| CITYNET CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| Citynet Dynamic Limited | Private company limited by shares | Dissolved |
| CITYNET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CITYNET PROPERTIES LIMITED | Private company limited by shares | Live |
| City-Network Limited | Private company limited by shares | Live |
| CITYNEWS LIMITED | Private company limited by shares | Dissolved |
| CITYNOTE LIMITED | Private company limited by shares | Dissolved |
| CITYODDS LIMITED | Private company limited by shares | Dissolved |
| Cityone Group Limited | Private company limited by shares | Dissolved |
| Cityone Care (H.K.) Limited | Private company limited by shares | Live |
| METRO CITYONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Cityone Property Limited | Private company limited by shares | Live |
| Cityonline Group Limited | Private company limited by shares | Live |
| CITYORK LIMITED | Private company limited by shares | Live |
| CITYORK (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CITYORK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CITYOUTH COMPANY LIMITED | Private company limited by shares | Dissolved |
| CITYPEARL COMPANY LIMITED | Private company limited by shares | Live |
| CITYPEARL LIMITED | | Live |
| Citypex Limited | Private company limited by shares | Live |
| CITYPHARM LIMITED | Private company limited by shares | Dissolved |
| CITY-PLACE LIMITED | Private company limited by shares | Dissolved |
| CITYPLAN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UA CITYPLAZA CINEMA LIMITED | Private company limited by shares | Live |
| CITYPLAZA HARBOUR RESTAURANT LIMITED | Private company limited by shares | Live |
| CITYPOINT INVESTMENT LIMITED | Private company limited by shares | Live |
| CITYPOLE LIMITED | Private company limited by shares | Dissolved |
| Cityponics Limited | Private company limited by shares | Live |
| CITYPOP (CHINA) MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| CITYPOP MANAGEMENT GROUPS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CITYPORT LIMITED | Private company limited by shares | Live |
| CITYPORT TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| NORTH AMERICA CITYPOWER (AP) LIMITED | Private company limited by shares | Live |
| CITYPOWER INT'L GROUP LIMITED | Private company limited by shares | Live |
| CITYPOWER INVESTMENT LIMITED | Private company limited by shares | Live |
| CITYPRIME LIMITED | Private company limited by shares | Live |
| CITYPROP COMPANY LIMITED | Private company limited by shares | Live |
| CITYPURSE ASIA LIMITED | Private company limited by shares | Dissolved |
| CITYRADAR LIMITED | Private company limited by shares | Dissolved |
| CITYRAY LIMITED | Private company limited by shares | Live |
| Cityray AI Lab Limited | Private company limited by shares | Live |
| CITYRAY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CITYRAY SOFTWARE (PRC) LIMITED | Private company limited by shares | Live |
| CITYRENT LIMITED | Private company limited by shares | Dissolved |
| CITYRIA COMPANY LIMITED | Private company limited by shares | Live |
| CITYRICH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CITYRIM PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| CITYROCKER LIMITED | Private company limited by shares | Live |
| CITYROY LIMITED | Private company limited by shares | Live |
| CITYROY HK LIMITED | Private company limited by shares | Live |
| CITYS GROUP CO., LIMITED | Private company limited by shares | Live |
| CITYS INC. LIMITED | Private company limited by shares | Dissolved |
| CITYSANE LIMITED | Private company limited by shares | Live |
| 4D CITYSCAPE HK LIMITED | Private company limited by shares | Dissolved |
| 4D CITYSCAPE ASIA LIMITED | Private company limited by shares | Live |
| CITYSCAPE CONSTRUCTION LIMITED | Private company limited by shares | Live |
| CityScape Designs Limited | Private company limited by shares | Live |
| Cityscape Development Limited | | Live |