| CITYLINK LIMITED | Private company limited by shares | Live |
| Citylink Dental Centre Limited | | Live |
| Citylink Design and Build Limited | Private company limited by shares | Live |
| CITYLINK ELECTRONICS LIMITED | Private company limited by shares | Live |
| CITYLINK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CITY-LINK EXPRESS (HK) LIMITED | Private company limited by shares | Live |
| BFC - CITYLINK EXPRESS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CITYLINK (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG MEI CITYLINK INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Citylink Contracting (Hong Kong) Limited | Private company limited by shares | Live |
| Citylink Industrial Limited | | Live |
| CITYLINK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Citylink Projects Management Limited | Private company limited by shares | Live |
| CITYLINK METAL CO., LIMITED | Private company limited by shares | Live |
| CITYLINK OUTDOOR LIMITED | Private company limited by shares | Dissolved |
| CityLink Properties Limited | Private company limited by shares | Live |
| CITYLINK RESOURCES LIMITED | Private company limited by shares | Dissolved |
| CITY-LINK AIR COURIER SERVICE LIMITED | Private company limited by shares | Dissolved |
| CITYLINK SHIPPING LIMITED | Private company limited by shares | Dissolved |
| CITYLINK SURVEYORS LIMITED | Private company limited by shares | Live |
| CITYLINK TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CITYLINK TELEPHONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CITYLINK TRADING LIMITED | Private company limited by shares | Dissolved |
| CITYLINK INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| CityLink Transit (Hong Kong) Limited | Private company limited by shares | Dissolved |
| CityLinkers Taxation and Accounting Limited | Private company limited by shares | Live |
| CityLinkers Advisory Greater China Limited | Private company limited by shares | Live |
| CityLinkers Corporate Advisory Services Limited | Private company limited by shares | Live |
| Citylinkers Corporate Communication Limited | Private company limited by shares | Live |
| CityLinkers Consultants Limited | Private company limited by shares | Live |
| CityLinkers Corporate Strategy Consultants Limited | Private company limited by shares | Live |
| CityLinkers Business and Financial Consulting Limited | Private company limited by shares | Live |
| CityLinkers Corporate Solutions Limited | Private company limited by shares | Live |
| CityLinkers Global Enterprises Limited | Private company limited by shares | Live |
| CityLinkers Group Limited | Private company limited by shares | Live |
| CityLinkers Trust Hong Kong Limited | | Live |
| Citylinkers International Travel Limited | Private company limited by shares | Live |
| CityLinkers Capital Management Limited | Private company limited by shares | Live |
| CityLinkers Secretarial Services Limited | Private company limited by shares | Live |