| TOPTOOL CO., LIMITED | | Live |
| TOPTOOL GROUP LIMITED | Private company limited by shares | Live |
| TOP-TOP 1 LIMITED | | Live |
| TOP-TOP 2 LIMITED | | Live |
| TOP-TOP 3 LIMITED | | Live |
| TOP-TOP 4 LIMITED | | Live |
| TOP-TOP 5 LIMITED | | Live |
| HK TOP-TOP TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| TopTop Group Limited | Private company limited by shares | Live |
| TOP-TOP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TOP-TOP INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| TOPTOP MEDIA ASIA LIMITED | Private company limited by shares | Dissolved |
| TOPTOP HUMAN RESOURCES LIMITED | | Live |
| TOPTOPS LIMITED | Private company limited by shares | Live |
| TOP-TOUCH COMPANY LIMITED | Private company limited by shares | Live |
| Toptower Design & Workshop Limited | | Live |
| TOPTOWN LIMITED | Private company limited by shares | Dissolved |
| China Toptown Institution Limited | Private company limited by shares | Live |
| TOPTOWN IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| TOPTOWN DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| TOPTOWN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TOP-TOY (HONG KONG) LIMITED | Private company limited by shares | Live |
| TOPTOYS AND GAMES LIMITED | Private company limited by shares | Live |
| TOP-TOYS (HK) COMPANY LIMITED | Private company limited by shares | Live |
| TOPTRADE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TOPTRAIN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOPTRANS LIMITED | Private company limited by shares | Live |
| TOPTRANS FREIGHT SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TOPTRANS OCEAN PACIFIC LIMITED | Private company limited by shares | Dissolved |
| Toptree Industrial Limited | Private company limited by shares | Live |
| TOPTREND INTERACTIVE LIMITED | Private company limited by shares | Live |
| TOPTRENDING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| TOPTRI COMPANY LIMITED | Private company limited by shares | Live |
| TOPTRI DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| TOPTRIC INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| TOP-TRIUM LIMITED | Private company limited by shares | Dissolved |
| TOPTRONIC LIMITED | Private company limited by shares | Live |
| TOPTRONIC INDUSTRIAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TOPTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Jul-2016 |
| TOPTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| TOP-TRONICS LCD DISPLAY LIMITED | Private company limited by shares | Dissolved |
| Toptronics Impex Company Limited | Private company limited by shares | Live |
| TOPTRONICS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TopTroniQ Asia Limited | Private company limited by shares | Live |
| TOPTRUE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Top-True Energy Co., Limited | Private company limited by shares | Live |
| Toptrue Houseware Co., Limited | Private company limited by shares | Live |
| TOPTRY GIFT PRODUCTS MANUFACTURING LIMITED | Private company limited by shares | Live |
| TopTutor Limited | Private company limited by shares | Live |