| GREATSON LIMITED | Private company limited by shares | Live |
| GREATSON CORPORATION LIMITED | Private company limited by shares | Dissolved |
| GREATSON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GREATSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GREATSON ENTERPRISES LIMITED | Private company limited by shares | Live |
| GREATSON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| GREATSON INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| GREATSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GREATSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GREATSON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GREATSON RESOURCES LIMITED | Private company limited by shares | Dissolved |
| GREATSON ELECTRONIC TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |