| Plustar Co. Limited | Private company limited by shares | Live |
| PLUSTECH HK LIMITED | Private company limited by shares | Live |
| PLUSTECH TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| PLUSTECH (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| 8 PLUS-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| PLUSTEL FINANCE LIMITED | Private company limited by shares | Live |
| PLUSTHING LIMITED | Private company limited by shares | Live |
| PLUSTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| PLUSTRUSS INDUSTRIAL LIMITED | Private company limited by shares | Live |