| CLUSTER RESOURCES LIMITED | | Live |
| Star Cluster International Limited | | Live |
| CLUSTER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Cluster Cloud Technology HongKong Limited | Private company limited by shares | Live |
| New Territories West Elder Academies Cluster Limited | Company limited by guarantee | Live |
| New Territories East Elder Academies Cluster Limited | Company limited by guarantee | Live |
| CLUSTER TRADING CO., LIMITED | Private company limited by shares | Live |
| SEA CLUSTER TRADING CO., LIMITED | Private company limited by shares | Live |
| Cluster Trading Co., Limited | | Live |
| STAR CLUSTER INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| VENTURE CLUSTER LIMITED | Private company limited by shares | Live |
| ClusterFast Network Limited | | Live |
| CLUSTERING & EXPANDING TECH CO., LIMITED | Private company limited by shares | Dissolved |
| Star Clusters Limited | Private company limited by shares | Live |
| Southern Clusters General Trading Limited | | Live |
| CLUSTERTECH LIMITED | Private company limited by shares | Live |
| CLUSTERTECH INVESTMENTS (HK) LIMITED | Private company limited by shares | Live |
| CLUSTSHIP LIMITED | Private company limited by shares | Live |
| CLUTACIOUS LIMITED | Private company limited by shares | Dissolved |
| Clutch Limited | Private company limited by shares | Live |
| FBL Brake and Clutch Co., Limited | Private company limited by shares | Dissolved |
| WARTON CLUTCH & BRAKE CO., LIMITED | Private company limited by shares | Live |
| CHINA AND CANTON CLUTCH COMPANY LIMITED | Private company limited by shares | Live |
| SIBAIKE (CHINA) CLUTCH LIMITED | Private company limited by shares | Live |
| FASHITE CLUTCH (SHANXI) CO., LIMITED | Private company limited by shares | Live |
| Shengrui Clutch CO., Limited | Private company limited by shares | Dissolved |
| TOYO CLUTCH HONG KONG LIMITED | Private company limited by shares | Dissolved |
| China and Canton Clutch Management Company Limited | Private company limited by shares | Dissolved |
| CLUTCH CAPITAL PROPERTIES HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| VALEO CLUTCH (HONGKONG) LIMITED | Private company limited by shares | Live |
| GERMANY VASURE & LUKAI CLUTCH LIMITED | Private company limited by shares | Live |
| ZHONGKAMAN CHAIDONGLI CLUTCH LIMITED | Private company limited by shares | Live |
| ZHONGKAMAN CHAIDONGLI CLUTCH LIMITED | | Live |
| CLUTCHER COMPANY LIMITED | Private company limited by shares | Live |
| CHINA AND CANTON (CLUTCHES) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CLUTTERFIELD COMPANY LIMITED | Private company limited by shares | Dissolved |
| CLUTTON LIMITED | Private company limited by shares | Dissolved |
| Cluttons GCA FE Limited | Private company limited by shares | Live |
| Cluttons (FE) Limited | Private company limited by shares | Live |
| JASMINE CLUTURAL COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| CLUZ RESOURCES HK COMPANY LIMITED | Private company limited by shares | Live |
| C.L.V. Limited | Private company limited by shares | Live |
| CLXH (HK) INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| CLYDACH INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| BONNIE & CLYDE LIMITED | | Live |
| CLYDE DIRECTORS (NO.1) LIMITED | Private company limited by shares | Dissolved |
| CLYDE DIRECTORS (NO.2) LIMITED | Private company limited by shares | Dissolved |
| CLYDE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CLYDE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CLYDE MARINE LIMITED | Private company limited by shares | Dissolved |
| CLYDE RESOURCES LIMITED | Private company limited by shares | Dissolved |
| CLYDE TRADING CO. LIMITED | | Live |
| CLYDESDALE LIMITED | | Live |
| CLYDESDALE ADVISORS LIMITED | Private company limited by shares | Live |
| CLYDESDALE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CLYDESDALE PROPERTIES LIMITED | Private company limited by shares | Live |
| Clydeside HK Limited | Private company limited by shares | Live |
| CLYK Company Limited | | Live |
| CLYMENE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Clymene HK Holding Limited | | Live |
| SHANGHAI CLYO ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| CLYSN (HK) LIMITED | Private company limited by shares | Live |
| Clystrox HK Limited | | Live |
| CLYTHA LIMITED | Private company limited by shares | Dissolved |
| Clytie Company Limited | Private company limited by shares | Live |
| CLYTTE ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| CLYTTE TECHNOLOGY CO., LIMITED | | Live |
| CLYVALE LIMITED | Private company limited by shares | Dissolved |
| CLZPB HOLDING CO., LIMITED | Private company limited by shares | Live |