| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Qogir (Hong Kong) Limited | Rep | Dealing in securities | 2021-12-13 | 2023-02-10 |
| CHIEF SECURITIES LIMITED | Rep | Dealing in securities | 2007-01-11 | 2019-07-15 |
| KARL-THOMSON SECURITIES COMPANY LIMITED | Rep | Dealing in securities | 2005-01-27 | 2007-01-08 |
| Rep | Advising on corporate finance | - | 2004-05-05 | |
| Rep | Advising on securities | - | 2004-05-05 | |
| Rep | Asset management | - | 2004-05-05 | |
| Rep | Providing automated trading services | - | 2004-05-05 | |
| Rep | Dealing in securities | - | 2004-07-30 |