| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| PRUDENTIAL BROKERAGE LIMITED | Rep | Dealing in securities | 2019-04-15 | - |
| Nerico Brothers Limited (HK) | Rep | Dealing in securities | 2017-04-03 | 2017-05-19 |
| CHRISTFUND SECURITIES LIMITED | Rep | Dealing in securities | 2010-05-26 | 2014-03-10 |
| Public Securities Limited | Rep | Dealing in securities | 2010-02-08 | 2010-04-15 |
| CHOW SANG SANG SECURITIES LIMITED | Rep | Dealing in securities | 2007-04-18 | 2008-10-09 |
| CELESTIAL SECURITIES LIMITED | Rep | Dealing in securities | 2006-05-17 | 2007-03-26 |
| KING FOOK SECURITIES COMPANY LIMITED | Rep | Advising on corporate finance | 2003-04-01 | 2003-08-28 |
| Rep | Advising on securities | 2003-04-01 | 2003-08-28 | |
| Rep | Asset management | 2003-04-01 | 2003-08-28 | |
| Rep | Dealing in securities | 2003-04-01 | 2006-05-03 |