| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| ARISTO SECURITIES LIMITED | Rep | Dealing in securities | 2025-06-13 | - |
| CHEONG LEE SECURITIES LIMITED | Rep | Advising on futures contracts | 2012-04-10 | 2022-08-09 |
| Rep | Dealing in futures contracts | 2012-04-10 | 2022-08-09 | |
| Rep | Advising on securities | 2009-02-26 | 2022-08-09 | |
| Rep | Dealing in securities | 2009-02-16 | 2022-08-09 | |
| PLATINUM BROKING COMPANY LIMITED | Rep | Dealing in securities | 2008-07-18 | 2008-08-25 |