| SUN SEIN KUNG LIMITED | Private company limited by shares | Dissolved |
| Manzel & Seinberg Limited | | Live |
| SEINBO CO., LIMITED | Private company limited by shares | Live |
| SEINE HK COMPANY LIMITED | Private company limited by shares | Dissolved |
| LA SEINE LIMITED | Private company limited by shares | Live |
| SEINE LIMITED | Private company limited by shares | Live |
| SEINE CHINA TRADE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEINE ESTATES COMPANY LIMITED | Private company limited by shares | Live |
| SEINE EXPORT CO. LIMITED | Private company limited by shares | Dissolved |
| GOLD SEINE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SEINE GROUP LIMITED | Private company limited by shares | Dissolved |
| LA SEINE INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Seine Investment Limited | Private company limited by shares | Live |
| Grand Seine Shipping Limited | Private company limited by shares | Live |
| Seine Trading Limited | Private company limited by shares | Live |
| SEINESON INVESTMENTS COMPANY LIMITED | Private company limited by shares | Live |
| SEINEX LIMITED | Private company limited by shares | Dissolved |
| SEINFEL COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 14-Aug-2006 |
| SEINOH OPTICAL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SEINOR Trading Limited | Private company limited by shares | Live |
| Seintai Industrial Company Limited | Private company limited by shares | Live |
| SEINVA INVESTMENT CO., LIMITED | Private company limited by shares | Live |