| MAST LIMITED | Private company limited by shares | Live |
| MAST UK LIMITED | Private company limited by shares | Dissolved |
| MAST LIMITED | | Live |
| TOP ASIA MAST LIMITED | Private company limited by shares | Live |
| Mast Asia Limited | Private company limited by shares | Live |
| MAST CAPITAL LIMITED | Private company limited by shares | Live |
| FRIENDS OF MAST LIMITED | Public company limited by shares | Live |
| MAST STRATEGIC HEADQUARTER LIMITED | Private company limited by shares | Live |
| MAST ANIMAL HEALTH CENTRE LIMITED | Private company limited by shares | Live |
| Mast Business Solutions Limited | | Live |
| MAST TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MAST CREATIVE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Mast Trading Limited | Private company limited by shares | Live |
| 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 |
| MASTE LIMITED | Private company limited by shares | Live |
| MASTECH ENTERPRISE LIMITED | Private company limited by shares | Live |
| MASTECO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MASTEEL MACHINERY LIMITED | Private company limited by shares | Live |
| Masteer Enterprise Co., Limited | Private company limited by shares | Live |
| MASTEIN COMPANY LIMITED | Private company limited by shares | Live |
| MASTEK LIMITED | Private company limited by shares | Dissolved |
| Mastel Consultancy Limited | Private company limited by shares | Live |
| MASTEL LINE LIMITED | Private company limited by shares | Live |
| Mastel (Hong Kong) Technology Limited | Private company limited by shares | Live |
| Masten Marketing & Sales Limited | Private company limited by shares | Live |
| MASTEPELL ASIA LIMITED | Private company limited by shares | Dissolved |
| K. MASTER AND COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SKY MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER ACT LIMITED | Private company limited by shares | Dissolved |
| UNI MASTER COMPANY LIMITED | Private company limited by shares | Live |
| BE MASTER LIMITED | Private company limited by shares | Dissolved |
| DIE MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER LIT LIMITED | Private company limited by shares | Dissolved |
| JET MASTER LIMITED | Private company limited by shares | Live |
| MASTER ONE LIMITED | Private company limited by shares | Dissolved |
| PAN MASTER LIMITED | Private company limited by shares | Dissolved |
| J. MASTER LIMITED | Private company limited by shares | Dissolved |
| V. MASTER LIMITED | Private company limited by shares | Live |
| P. MASTER LIMITED | Private company limited by shares | Live |
| ST. MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER LIMITED | Private company limited by shares | Dissolved |
| FIT MASTER LIMITED | Private company limited by shares | Live |
| TOP MASTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| MASTER JOY LIMITED | Private company limited by shares | Dissolved |
| MASTER SKY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MASTER KIN LIMITED | Private company limited by shares | Dissolved |
| MASTER DAY LIMITED | Private company limited by shares | Live |
| NEW MASTER LIMITED | Private company limited by shares | Dissolved |
| ERA MASTER LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Mar-1997 |
| MASTER TOP LIMITED | Private company limited by shares | Dissolved |
| SEA MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER ALL LIMITED | Private company limited by shares | Dissolved |
| MASTER WIN LIMITED | Private company limited by shares | Dissolved |
| TIE MASTER LIMITED | Private company limited by shares | Dissolved |
| WIN MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER MIX LIMITED | Private company limited by shares | Dissolved |
| MASTER ERA LIMITED | Private company limited by shares | Dissolved |
| BIG MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER ACE LIMITED | Private company limited by shares | Dissolved |
| MASTER KEY LIMITED | Private company limited by shares | Dissolved |
| MAX MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER ONE LIMITED | Private company limited by shares | Dissolved |
| JOY MASTER LIMITED | Private company limited by shares | Dissolved |
| SKY MASTER LIMITED | Private company limited by shares | Dissolved |
| TOP MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER SUM LIMITED | Private company limited by shares | Live |
| MASTER ART LIMITED | Private company limited by shares | Dissolved |
| MASTER INK COMPANY LIMITED | Private company limited by shares | Live |
| KEY MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER MAX LIMITED | Private company limited by shares | Live |
| MASTER NET LIMITED | Private company limited by shares | Dissolved |
| ART MASTER LIMITED | Private company limited by shares | Live |
| MASTER ZEN LIMITED | Private company limited by shares | Dissolved |
| BOX MASTER CO. LIMITED | Private company limited by shares | Dissolved |
| RAY MASTER LIMITED | Private company limited by shares | Live |
| PC MASTER LIMITED | Private company limited by shares | Dissolved |
| MASTER SUN LIMITED | Private company limited by shares | Dissolved |
| MASTER ONE LIMITED | Private company limited by shares | Dissolved |
| MASTER ON LIMITED | Private company limited by shares | Dissolved |
| MASTER AIM LIMITED | Private company limited by shares | Live |
| WEB MASTER LIMITED | Private company limited by shares | Dissolved |
| WAY MASTER LIMITED | Private company limited by shares | Dissolved |
| ON MASTER LIMITED | Private company limited by shares | Live Commenced dormancy on 24-Aug-2007 |
| MASTER KEY LIMITED | Private company limited by shares | Live |
| MASTER IPG COMPANY LIMITED | Private company limited by shares | Live |
| DC MASTER COMPANY LIMITED | Private company limited by shares | Live |
| SEA MASTER LIMITED | Private company limited by shares | Live |
| IS MASTER COMPANY LIMITED | Private company limited by shares | Dissolved |