| SEATO LIMITED | Private company limited by shares | Live |
| Seatom HK Limited | Private company limited by shares | Live |
| SEATOMAN FAR EAST LIMITED | Private company limited by shares | Dissolved |
| SEATON LIMITED | Private company limited by shares | Dissolved |
| SEATON LIMITED | Private company limited by shares | Live |
| SEATON CHEMICALS (CHINA) LIMITED | Private company limited by shares | Live |
| SEATON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SEATON INTERNATIONAL EDUCATION GROUP CO., LIMITED | Private company limited by shares | Live |
| SEATON INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK SEATON INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| Seaton Resources Limited | Private company limited by shares | Live |
| SEATONE LIMITED | Private company limited by shares | Live |
| Seatones International Maritime Academy Limited | Private company limited by shares | Live |
| SEATOP LIMITED | Private company limited by shares | Dissolved |
| SEATOP HOLDING LIMITED | Private company limited by shares | Dissolved |
| SEATOP SHIPPING LIMITED | Private company limited by shares | Live |
| SEATOP VALUE LIMITED | Private company limited by shares | Live |
| Seatorch Marine (Hong Kong) Consulting Limited | Private company limited by shares | Live |
| Seatosky International Limited | Private company limited by shares | Live |
| SEATOURS LIMITED | Private company limited by shares | Live |
| SeaToWorld Limited | Private company limited by shares | Live |