| PC&C TECHNOLOGY HONGKONG CO., LIMITED | Private company limited by shares | Dissolved |
| PCCA (CHINA) LIMITED | Private company limited by shares | Live |
| PCCamberstone two Co. Limited | Private company limited by shares | Live |
| PCCGE SA LIMITED | Private company limited by shares | Live |
| PCCI INTERNATIONAL MEDICAL INVESTMENT GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| PCCIC Limited | Private company limited by shares | Live |
| PCCJ LIMITED | Private company limited by shares | Live |
| PCCL Limited | | Live |
| PCCS (HONG KONG) LIMITED | Private company limited by shares | Live |
| PCCW LIMITED | Public company limited by shares | Live |
| PCCW IMS LIMITED | Private company limited by shares | Live |
| PCCW Enterprises Limited | Private company limited by shares | Live |
| PCCW LICENSING LIMITED | Private company limited by shares | Dissolved |
| PCCW SECRETARIES LIMITED | Private company limited by shares | Live |
| PCCW Solutions Limited | Private company limited by shares | Live |
| PCCW SYSTEMS LIMITED | Private company limited by shares | Live |
| PCCW TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| PCCW Wealth Limited | Private company limited by shares | Live |
| PCCW-HKT Limited | Private company limited by shares | Live |
| PCCW-HKT CAS LIMITED | Private company limited by shares | Live |
| PCCW-HKT ASIA LIMITED | Private company limited by shares | Live |
| PCCW-HKT TELEPHONE LIMITED | Private company limited by shares | Live |