| CHUM ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| CHUM COLLECTIONS LIMITED | Private company limited by shares | Live |
| CHUM WING LIMITED | Private company limited by shares | Dissolved |
| WONG SAU CHUM TONG ASSOCIATION LIMITED | Company limited by guarantee | Live |
| YUET CHUM HIN LIMITED | Private company limited by shares | Live |
| CHUM5 COMPANY LIMITED | Private company limited by shares | Live |
| ChuMa Market Limited | Private company limited by shares | Live |
| Chuma Trading Limited | | Live |
| Chumak Consulting Limited | | Live |
| Chuman Catering Limited | | Live |
| CHUMAQ COMERCIAL IMPORTADORA DE MAQUINAS LIMITED | Private company limited by shares | Live |
| Chumart (HK) Co., Limited | | Live |
| CHUMATE LIMITED | Private company limited by shares | Dissolved |
| ChumChummi Limited | Private company limited by shares | Live |
| CHUMEDY POWER INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| CHUMMERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Chumrest Limited | Private company limited by shares | Live |
| CHUMRUN TECHNOLOGY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| CHUM'S LIMITED | Private company limited by shares | Dissolved |
| CHUMS' BAG LIMITED | Private company limited by shares | Dissolved |
| Chums Limited | Private company limited by shares | Dissolved |
| CHUMS TM HK, LIMITED | Private company limited by shares | Live |
| Chums Asia Limited | Private company limited by shares | Live |
| CHUMTECH COMPANY LIMITED | Private company limited by shares | Dissolved |