| MASTERTOWN INVESTMENTS LIMITED | Private company limited by shares | Live |
| MASTERTRIP LIMITED | Private company limited by shares | Live |
| MASTERTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MASTERTYPE COMPANY LIMITED | Private company limited by shares | Live |
| MASTERUNION LIMITED | Private company limited by shares | Live |
| MASTERVALE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MASTERVET ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| MASTERVIEW COMPANY LIMITED | Private company limited by shares | Dissolved |
| Masterville ME Limited | Private company limited by shares | Dissolved |
| MASTERVILLE INVESTMENT LIMITED | Private company limited by shares | Live |
| MASTERVISION ENTERPRISE LIMITED | Private company limited by shares | Live |
| MASTERVOIZE LIMITED | Private company limited by shares | Live |
| MASTERVOLT ASIA LIMITED | Private company limited by shares | Live |
| MASTERWARD LIMITED | Private company limited by shares | Dissolved |
| MASTERWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MASTERWAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MASTERWAY-BOLTON LIMITED | Private company limited by shares | Live |
| MASTERWAYS LIMITED | Private company limited by shares | Dissolved |
| MASTERWEAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| MASTERWELL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MASTERWILL LIMITED | Private company limited by shares | Dissolved |
| MASTERWILL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MASTERWIN CORPORATION LIMITED | Private company limited by shares | Live |
| MASTERWIN GROUP LIMITED | Private company limited by shares | Live |
| Masterwin Healthcare Limited | Private company limited by shares | Live |
| MASTERWIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MASTERWISE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MASTERWISE SERVICES LIMITED | Private company limited by shares | Live |
| MASTERWOOD LIMITED | Private company limited by shares | Dissolved |
| MASTERWOOD LIMITED | Private company limited by shares | Dissolved |
| MASTERWORK LIMITED | Private company limited by shares | Live |
| Masterwork Cabinetry Company Limited | Private company limited by shares | Live |
| Masterwork Cabinets&Tops Company Limited | Private company limited by shares | Live |
| MASTERWORK CAPITAL LIMITED | | Live |
| MASTERWORK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MASTERWORK JEWELLERY TRADING LIMITED | Private company limited by shares | Live |
| MASTERWORKS LIMITED | Private company limited by shares | Dissolved |
| POD Masterworks Company Limited | | Live |
| MASTERWORLD LIMITED | Private company limited by shares | Dissolved |
| MASTERX HORIZON H.K. LIMITED | Private company limited by shares | Dissolved |
| MASTERY LIMITED | Private company limited by shares | Live |
| TOP MASTERY LIMITED | Private company limited by shares | Dissolved |
| MD MASTERY LIMITED | Private company limited by shares | Live |
| Tai Xia Mastery Limited | | Live |
| ACADEMY OF IMAGE MASTERY (GREATER CHINA) LIMITED | Private company limited by shares | Live |
| ALPHA MASTERY LIMITED | Private company limited by shares | Live |
| MASTERY APPAREL LIMITED | Private company limited by shares | Live |
| MASTERY ASIA LIMITED | Private company limited by shares | Dissolved |
| Mastery Asia Limited | Private company limited by shares | Live |
| MASTERY FLOWERS AND BAGS INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mastery Education Centre (Kowloon Bay) Limited | Private company limited by shares | Live |
| BRIGHTEN MASTERY LIMITED | Private company limited by shares | Dissolved |
| MASTERY CAPITAL LIMITED | Private company limited by shares | Dissolved |
| Mastery Education (Chi Lok) Limited | Private company limited by shares | Live |
| best mastery capital co., Limited | Private company limited by shares | Live |
| MASTERY COMMERCIAL CO., LIMITED | Private company limited by shares | Live |
| Mastery High-Tech (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HONG KONG MASTERY TRADING CO., LIMITED | Private company limited by shares | Live |
| Mastery Innovations Co., Limited | | Live |
| MASTERY JEWELLERY CO., LIMITED | Private company limited by shares | Live |
| MASTERY COMPUTER LIMITED | Private company limited by shares | Dissolved |
| MASTERY CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| MASTERY CONSULTANTS (ASIA) CO. LIMITED | Private company limited by shares | Dissolved |
| MASTERY CORPORATE LIMITED | Private company limited by shares | Live |
| YIHAI MASTERY CULTURE AND ART LIMITED | Private company limited by shares | Live |
| MASTERY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Mastery Development Consulting Co., Limited | | Live |
| Glow Mastery Development Limited | Private company limited by shares | Live |
| MASTERY SOFTWARE DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| LOG IN MASTERY EDUCATION LIMITED | Private company limited by shares | Live |
| MASTERY EDUCATION CENTRE LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Mar-2016 |
| MASTERY GALAXY EDUCATION LIMITED | Private company limited by shares | Live |
| Mastery Glory Education Limited | Private company limited by shares | Live |
| Mastery Education Group Limited | Private company limited by shares | Live |
| Mastery Education Centre (Marble 33) Limited | | Live |
| Mastery Education (North Point) Limited | Private company limited by shares | Live |
| Mastery Education (Quarry Bay) Limited | Private company limited by shares | Live |
| Mastery Education (San Po Kong) Limited | Private company limited by shares | Live |
| CHIN KWAN & MASTERY ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MASTERY ELECTRONICS LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Jul-2013 |
| MASTERY ENGINEERING LIMITED | Private company limited by shares | Live |
| MASTERY ENGINEERING HONG KONG LIMITED | Private company limited by shares | Live |
| MASTERY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ESSENTIAL MASTERY ASIA LIMITED | Private company limited by shares | Live |
| FELIX MASTERY CO., LIMITED | Private company limited by shares | Dissolved |
| Freedom Mastery Limited | Private company limited by shares | Live |
| MASTERY GAIN LIMITED | Private company limited by shares | Live |
| MASTERY GARMENT ACCESSORIES LIMITED | Private company limited by shares | Live |
| GOLD MASTERY LIMITED | Private company limited by shares | Dissolved |
| GOLDEN MASTERY LIMITED | Private company limited by shares | Live |
| GOLDEN MASTERY (HOLDINGS) LIMITED | Private company limited by shares | Live |
| GRAND MASTERY LIMITED | Private company limited by shares | Dissolved |
| Mastery Group Limited | Private company limited by shares | Dissolved |
| SHOW DEEP MASTERY (HK) LIMITED | Private company limited by shares | Dissolved |
| Ease Mastery (HK) Investment Limited | Private company limited by shares | Live |
| MASTERY (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MASTERY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Sheng Mastery (Hong Kong) Co., Limited | Private company limited by shares | Dissolved |
| Mastery Tech (Hong Kong) Limited | | Live |
| MASTERY (HONG KONG) TRAVEL LIMITED | Private company limited by shares | Dissolved |