| COSA COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSA LIMITED | Private company limited by shares | Dissolved |
| COSAC Consulting Limited | Private company limited by shares | Live |
| COSAFETY TECHNOLOGY LIMITED | | Live |
| HONG KONG COSA-GLOBAL VILLGE INTERNATIONAL FLOWERS INDUSTRY EXHIBITION INVESTMENT GROUP CO., LIMITED | Private company limited by shares | Live |
| COSAK TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CO-SALES LIMITED | Private company limited by shares | Live |
| COSAMAJO LIMITED | Private company limited by shares | Live |
| COSAN LIMITED | Private company limited by shares | Dissolved |
| COSAND INDUSTRY HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSANG TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| COSANO INDUSTRIAL COMPANY LIMITED | | Live |
| COSAR HK LIMITED | Private company limited by shares | Live |
| COSAS LIMITED | Private company limited by shares | Dissolved |
| COSATECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSATINARD MANAGEMENT AND SECRETARIES LIMITED | Private company limited by shares | Live |
| COSATRANS (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| COSATRANS (HK) COMPANY LIMITED | Private company limited by shares | Live |
| V Faiths Co-Saving World Food Company Limited | | Live |
| V Faiths Co-Saving World Fund Company Limited | | Live |
| V Faiths Co-Saving World Pharmaceutical Company Limited | | Live |