| Q.C. ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| Q.C. Global Trade Limited | Private company limited by shares | Live |
| Q.C.A. ASIA LIMITED | Private company limited by shares | Dissolved |
| QCARD HK LIMITED | Private company limited by shares | Live |
| QCASIA LIMITED | Private company limited by shares | Dissolved |
| QCBB (China) Group Limited | Private company limited by shares | Live |
| QC-CENTRE LIMITED | Private company limited by shares | Live |
| QCCL LIMITED | Private company limited by shares | Live |
| QCCS TRADE LIMITED | | Live |
| QC&Design Limited | Private company limited by shares | Live |
| QC-ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| QC-GAME DIGITAL TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| QCGlobalTrade Limited | Private company limited by shares | Live |
| QChad Company Limited | Private company limited by shares | Live |
| Qchain Limited | Private company limited by shares | Live |
| QCHENG TRADE CO., LIMITED | Private company limited by shares | Live |
| HK QCHENG TRADE LIMITED | Private company limited by shares | Live |
| QCHENG TRADING LIMITED | | Live |
| Qchensyan Co., Limited | | Live |
| Q-China Limited | Private company limited by shares | Live |
| HK QCHUANG TRADE LIMITED | | Live |
| QCIC Asia Limited | Private company limited by shares | Live |
| QCidea Limited | | Live |
| QCINASIA LIMITED | Private company limited by shares | Live |
| QCITY LIMITED | Private company limited by shares | Live |
| QCITY (SWGT) LIMITED | | Live |
| QC-LIGHT CO., LIMITED | Private company limited by shares | Live |
| QCMTec Hongkong Co., Limited | Private company limited by shares | Live |
| qCoach Limited | Private company limited by shares | Live |
| QCOB 6873 INVESTMENTS LIMITED | Private company limited by shares | Live |
| Q-CODE LIMITED | Private company limited by shares | Dissolved |
| QCODE CHINESE COMPUTER LIMITED | Private company limited by shares | Live |
| QCodeLab Limited | Private company limited by shares | Live |
| SHENZHEN Q-COLOR CO., LIMITED | Private company limited by shares | Live |
| Q-COLOR TECH CO., LIMITED | Private company limited by shares | Live |
| Shenzhen Q-Color Tech Co., Limited | Private company limited by shares | Live |
| QCOLOR CHEMICALS (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| QCOM LIMITED | Private company limited by shares | Dissolved |
| QCOM ASIA LIMITED | Private company limited by shares | Dissolved |
| QCOMM LIMITED | Private company limited by shares | Live |
| QCONCEPT LIMITED | Private company limited by shares | Live |
| QCPLAY GAMES LIMITED | | Live |
| Q-CRAFT CO., LIMITED | Private company limited by shares | Live |
| Q.C.S. ASIA CO., LIMITED | Private company limited by shares | Dissolved |
| Q.C.S. ASIA (H.K.) LIMITED | Private company limited by shares | Live |
| QCTEC LIMITED | Private company limited by shares | Dissolved |
| QcTech Limited | Private company limited by shares | Live |
| QCTECHNOIOGY LIMITED | Private company limited by shares | Live |
| QCUNION CO., LIMITED | Private company limited by shares | Live |
| Q.C.V. COMPANY LIMITED | Private company limited by shares | Dissolved |
| QCWL HOLDING LIMITED | Private company limited by shares | Live |
| Qcworldwide Co., Limited | Private company limited by shares | Live |
| qcww Limited | Private company limited by shares | Live |
| QCX, Limited | Private company limited by shares | Dissolved |
| QCZK LIMITED | Private company limited by shares | Live |