| SEADA COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEADACOR HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SEADACOR HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SEADALE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEADAN (HONGKONG) ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Long Seadar Limited | | Live |
| SEADART ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SEADAYS Limited | Private company limited by shares | Live |
| SEADCON LIMITED | Private company limited by shares | Live |
| SEADELIGHT CO., LIMITED | Private company limited by shares | Dissolved |
| SEADER DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SEADIAMOND LIMITED | Private company limited by shares | Dissolved |
| Seadime Limited | Private company limited by shares | Live |
| SEADIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SEADO LIMITED | Private company limited by shares | Dissolved |
| SEADOG 41 LIMITED | | Live |
| SEADOG 42 LIMITED | | Live |
| SEADOG 44 LIMITED | | Live |
| SEADOG 43 LIMITED | | Live |
| SEADOG 45 LIMITED | | Live |
| Seadon Filtration Limited | Private company limited by shares | Live |
| SEADOOR ENTERPRISE LIMITED | Private company limited by shares | Live |
| SEADOT INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SEA-DRAGON CARGO CONSOLIDATORS LIMITED | Private company limited by shares | Dissolved |
| SEADRAGON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KONG SEA-DRAGON FINANCIAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HK SEADRAGON (GROUP) LIMITED | Private company limited by shares | Dissolved |
| CHINA SEA-DRAGON CATERING MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SEA-DRAGON TANNERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEADRAGON TRADING LIMITED | Private company limited by shares | Live |
| SEADREAMS LIMITED | | Live |
| Seadrill Far East Limited | Private company limited by shares | Live |
| Seadrill Energy Chemicals (Asia) Co., Limited | Private company limited by shares | Live |
| Seadrill International Limited | Private company limited by shares | Live Ceased dormancy on 28-Aug-2012 |
| SEADRO LIMITED | Private company limited by shares | Live |
| SEADS LIMITED | Private company limited by shares | Live |