| ROYSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Royson Valuation Advisory Limited | Private company limited by shares | Live |
| ROYSON TRADE CO., LIMITED | Private company limited by shares | Live |
| ROYSON CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| ROYSON FAR EAST LIMITED | Private company limited by shares | Dissolved |
| ROYSON ENTERPRISES LIMITED | Private company limited by shares | Live |
| ROYSON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ROYSON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ROYSON TRADING LIMITED | Private company limited by shares | Dissolved |
| ROYSON INVESTMENT LIMITED | Private company limited by shares | Live |
| ROYSON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ROYSON TRADING LIMITED | Private company limited by shares | Dissolved |