| OPO' SPACE LIMITED | Private company limited by shares | Live |
| OPODO HK LIMITED | Private company limited by shares | Dissolved |
| HongKong Dongshan Precision Union Opoelectronic Co., Limited | Private company limited by shares | Live |
| OPOER (HK) HOME GROUP CO., LIMITED | Private company limited by shares | Live |
| OPOLA (HK) COSMETIC LIMITED | Private company limited by shares | Live |
| OPOLA (HONGKONG) PRINK COSMETOLOGY SUPPLIES LIMITED | Private company limited by shares | Live |
| OPOLLO GROUP LIMITED | Private company limited by shares | Live |
| OPOLO Limited | Private company limited by shares | Live |
| FRANCE OPOMAN INTERNATIONAL GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| OPON LIMITED | Private company limited by shares | Dissolved |
| OPORTUNIDAD LIMITED | Private company limited by shares | Dissolved |
| Oposen Limited | | Live |
| SCREE OPOTOELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| OPOWER LIMITED | Private company limited by shares | Live |
| AJA O-Power Limited | | Live |