| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| uSmart Securities Limited | Rep | Advising on securities | 2026-07-27 | - |
| Rep | Asset management | 2026-07-27 | - | |
| Rep | Dealing in securities | 2026-02-09 | - | |
| KINGSTON SECURITIES LIMITED | Rep | Dealing in securities | 2009-01-13 | 2025-11-10 |
| Friedmann Pacific Asset Management (Hong Kong) Limited | Rep | Advising on securities | 2005-08-25 | 2009-01-05 |
| SINO-RICH SECURITIES & FUTURES LIMITED | Rep | Dealing in securities | 2005-08-25 | 2009-01-05 |