| OPLUS LIMITED | Private company limited by shares | Live |
| O-PLUS DESIGN LIMITED | Private company limited by shares | Dissolved |
| Oplus Global Limited | Private company limited by shares | Live |
| Oplus Group Limited | Private company limited by shares | Live |
| Oplus Holding Limited | Private company limited by shares | Dissolved |
| Oplus Solutions Hong Kong Limited | | Live |
| OPLUS LIGHTING COMPANY LIMITED | Private company limited by shares | Live |
| Oplus Technology Limited | Private company limited by shares | Live |
| OPLUS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Oplus2 Creative Limited | Private company limited by shares | Live |
| OPLUSHK CO., LIMITED | Private company limited by shares | Live |
| OPLUSO HK LIMITED | Private company limited by shares | Live |