| Masta & Company Limited | Private company limited by shares | Live |
| MASTA DESIGN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| MASTA (H.K.) TRADING & GARMENTS LIMITED | Private company limited by shares | Live |
| Masta Tsang Lou Mei Limited | Private company limited by shares | Live |
| MASTABAS LIMITED | Private company limited by shares | Dissolved |
| MASTAN COMPANY LIMITED | Private company limited by shares | Live |
| Mastapiece Technology Limited | Private company limited by shares | Live |
| MastaPlasta HK Limited | Private company limited by shares | Live |
| MASTAR CO., LIMITED | | Live |
| Shenzhen Mastar Technology Co., Limited | Private company limited by shares | Live |
| MASTAR ELECTRONICS LIMITED | Private company limited by shares | Live |
| Mastar Holdings Limited | Private company limited by shares | Live |
| HONGKONG MASTAR INDUSTRY LIMITED | Private company limited by shares | Live |