| CO-STAR LIMITED | Private company limited by shares | Live |
| COSTAR 2008 LIMITED | Private company limited by shares | Live |
| COSTAR ADVISORY LIMITED | | Live |
| COSTAR CAPITAL LIMITED | Private company limited by shares | Live |
| COSTAR CHEMICAL (H K) CO., LIMITED | Private company limited by shares | Live |
| Costar Footwear Trade Co., Limited | Private company limited by shares | Live |
| Costar Technology Co., Limited | Private company limited by shares | Live |
| COSTAR NETWORK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Shenzhen Costar Technology Co., Limited | Private company limited by shares | Live |
| HANGZHOU COSTAR DAILY COMMODITIES CO., LIMITED | | Live |
| COSTAR CONSULTANT LIMITED | Private company limited by shares | Live |
| COSTAR DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| COSTAR ENTERPRISES LIMITED | Private company limited by shares | Live |
| COSTAR TECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Live |
| COSTAR (HK) COMPANY LIMITED | Private company limited by shares | Live |
| CO_STAR ELECTRONIC (HK) LIMITED | Private company limited by shares | Dissolved |
| COSTAR FASHION JEWELRY (HK) CO., LIMITED | Private company limited by shares | Live |
| COSTAR TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG COSTAR INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| COSTAR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| COSTAR INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CO-STAR INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| CO-STAR INTERNATIONAL LIMITED | | Live |
| CO-STAR INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| COSTAR INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| COSTAR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| COSTAR LIGHT CO., LIMITED | Private company limited by shares | Live |
| COSTAR MINING CO., LIMITED | Private company limited by shares | Dissolved |
| COSTAR OPTICAL LIMITED | Private company limited by shares | Live |
| COSTAR SHIPPING LIMITED | Private company limited by shares | Live |
| CO-STAR TEXTILE LIMITED | Private company limited by shares | Live |
| CO-STAR TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSTAR TRADING LIMITED | Private company limited by shares | Live Ceased dormancy on 05-Feb-2013 |
| COSTAR UNIVERSAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| COSTARIS HK LIMITED | Private company limited by shares | Live |
| COSTAR-PRO LIMITED | Private company limited by shares | Dissolved |
| Costarry Culture (HK) Limited | Private company limited by shares | Live |
| COSTART TECHNOLOGY LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Sep-2013 |