| ROYSMART INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| 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 |
| ROYSOURCES LIMITED | Private company limited by shares | Dissolved |
| ROYSPARK LIMITED | Private company limited by shares | Dissolved |
| ROYSPARK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ROYSPARK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ROYSTAR COMPANY LIMITED | Private company limited by shares | Live |
| ROYSTAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ROYSTATE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ROYSTER MARINE SUPPLY CO., LIMITED | Private company limited by shares | Dissolved |
| ROYSTON ASIA LIMITED | Private company limited by shares | Dissolved |
| ROYSTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROYSTON GROUP LIMITED | Private company limited by shares | Dissolved |
| ROYSTON INVESTMENT LIMITED | Private company limited by shares | Live |
| ROYSTONEA LIMITED | Private company limited by shares | Live |
| Roystyle Industrial Co., Limited | Private company limited by shares | Live |
| RoyStyle Technology Co., Limited | Private company limited by shares | Live |
| ROYTEC LIMITED | Private company limited by shares | Dissolved |
| ROYTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROYTECH AEROSPACE LIMITED | Private company limited by shares | Live |
| ROYTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROYTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ROYTEL LIMITED | Private company limited by shares | Dissolved |
| ROYTERY COMPANY LIMITED | Private company limited by shares | Live |
| ROYTEX HK LIMITED | Private company limited by shares | Dissolved |
| ROYTEX HK LIMITED | Private company limited by shares | Live |
| ROYTIN LIMITED | Private company limited by shares | Live |
| ROYTON LIMITED | Private company limited by shares | Live |
| ROYTOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROYU COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROYUEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROYVIEW ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROYWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROYWAY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| ROYWAY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ROYWAY ENGINEERING LIMITED | Private company limited by shares | Live |
| ROYWAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ROYWAY INVESTMENT LIMITED | Private company limited by shares | Live |
| ROYWELL ESTATES COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROYWELL INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| ROYWOOD LIMITED | Private company limited by shares | Dissolved |