| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| JOY RICH SECURITIES INVESTMENT LIMITED | Rep | Dealing in securities | 2025-12-05 | - |
| LUEN FAT SECURITIES COMPANY LIMITED | Rep | Dealing in securities | 2005-03-21 | 2025-10-27 |
| K.L. Securities Company | Rep | Advising on corporate finance | 2003-04-01 | 2004-02-19 |
| Rep | Asset management | 2003-04-01 | 2004-02-19 | |
| Rep | Advising on securities | 2003-04-01 | 2005-03-21 | |
| Rep | Dealing in securities | 2003-04-01 | 2005-03-21 |