| COSUNION LIMITED | Private company limited by shares | Live |
| CO-SUNNY TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Co-Suppliers Limited | Private company limited by shares | Live |
| COSURPLUS LIMITED | Private company limited by shares | Dissolved |
| COSUTIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| COSVAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSVAST COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cosvea Hong Kong Limited | | Live |
| COSVY LIMITED | Private company limited by shares | Live |
| COSWALK COMPANY LIMITED | Private company limited by shares | Live |
| COSWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cosway Corporation Limited | Private company limited by shares | Live |
| COSWAY (HK) LIMITED | Private company limited by shares | Live |
| HONGKONG COSWAY LIMITED | Private company limited by shares | Live |
| COSWAY LOGISTICS LIMITED | Private company limited by shares | Live |
| COSWAY (Malaysia) CO., LIMITED | Private company limited by shares | Live |
| MALAYSIA THE COSWAY INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| HK Cosway (Malaysia) Cosmetics Trading Co., Limited | | Live |
| COSWAY WATER WORKS COMPANY LIMITED | Private company limited by shares | Live |
| Coswealth Limited | Private company limited by shares | Dissolved |
| COSWEN LIMITED | Private company limited by shares | Dissolved |
| COSWICK CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| HK COSWICK INT'L CHEMICAL PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| COSWICK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COSWIN LIMITED | Private company limited by shares | Dissolved |
| COSWIN LIMITED | Private company limited by shares | Live |
| COSWINNER LIMITED | Private company limited by shares | Dissolved |
| COSWINNER LIMITED | Private company limited by shares | Dissolved |
| Coswisdom Lake Maritime Limited | Private company limited by shares | Live |
| Coswish Lake Maritime Limited | Private company limited by shares | Live |
| COSWORD (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| COSWORLD ASIA LIMITED | Private company limited by shares | Live |
| COSWORTH COMPANY LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL COSXIRA ORIGINALITY CO., LIMITED | Private company limited by shares | Live |
| COSY COMPANY LIMITED | Private company limited by shares | Dissolved |
| L's Cosy Limited | Private company limited by shares | Live |
| Cosy Limited | | Live |
| COSY CARE LIMITED | Private company limited by shares | Dissolved |
| COSY ENTERPRISES LIMITED | Private company limited by shares | Live |
| COSY FURNITURE CO. LIMITED | Private company limited by shares | Live |
| COSY REALTY LIMITED | Private company limited by shares | Dissolved |
| COSYA CO., LIMITED | Private company limited by shares | Live |
| Cosybyme Limited | Private company limited by shares | Dissolved |
| COSYCOZY LIMITED | | Live |
| COSYHOME TRADING COMPANY LIMITED | Private company limited by shares | Live |
| COSYKNIT CO., LIMITED | Private company limited by shares | Live |
| COSYLAND LIMITED | Private company limited by shares | Dissolved |
| Cosymark Limited | Private company limited by shares | Live |
| COSYMEI LIMITED | Private company limited by shares | Live |
| Co-Synergy Limited | Private company limited by shares | Live |
| COSYOGA Limited | Private company limited by shares | Live |
| COSYPARK INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| CO-SYSTEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| CO-SYSTEM INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| COS-ZONE LIMITED | Private company limited by shares | Dissolved |