| HONGKONG FOURSIS BUSINESS PROMOTION LIMITED | Private company limited by shares | Dissolved |
| FOURSOME LIMITED | Private company limited by shares | Dissolved |
| Foursome Enterprise Limited | Private company limited by shares | Live |
| FOURSOME INVESTMENT LIMITED | Private company limited by shares | Live |
| FOURSOME SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOURSQUARE LIMITED | Private company limited by shares | Dissolved |
| Foursquare Company Limited | Private company limited by shares | Live |
| FOURSQUARE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Village and Foursquare Limited | Private company limited by shares | Live Commenced dormancy on 25-Feb-2015 |
| HONG KONG FOURSTAN INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA FOURSTAR TOOLING & PLASTIC LIMITED | Private company limited by shares | Live |
| FOURSUN (HONG KONG) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FOURSUN LIGHTING (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| FOUR-SYMBOLS TECHNICAL SERVICE LIMITED | Private company limited by shares | Live |