| DUMBARTON LIMITED | Private company limited by shares | Dissolved |
| Dumbarton HK Limited | | Live |
| DUMBARTON GROUP LIMITED | Private company limited by shares | Live |
| DUMBARTON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Dumbbell Group Limited | | Live |
| DumbChat.AI Limited | Private company limited by shares | Live |
| Dumbe Studio Limited | Private company limited by shares | Live |
| DUMBLETON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| DUMBO COMPANY LIMITED | Private company limited by shares | Dissolved |
| ART DUMBO LIMITED | Private company limited by shares | Live |
| Dumbo K4 Limited | Private company limited by shares | Live |
| Dumbo K1 Limited | Private company limited by shares | Live |
| Dumbo K2 Limited | Private company limited by shares | Live |
| Dumbo K3 Limited | Private company limited by shares | Live |
| Joy Dumbo Limited | Private company limited by shares | Live |
| DUMBO CATERING LIMITED | Private company limited by shares | Live |
| Dumbo Consultancy Limited | | Live |
| DUMBO ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| DUMBO ENTERPRISE LIMITED | Private company limited by shares | Live |
| DUMBO ORIGINAL LIMITED | Private company limited by shares | Live |
| Dumbo Studio Limited | Private company limited by shares | Live |
| Dumbo Network Technology Co. , Limited | Private company limited by shares | Live |
| DUMBO JACK TRADING LIMITED | Private company limited by shares | Live |
| DUMBO WORKSHOP LIMITED | Private company limited by shares | Dissolved |