| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Wolf Vest Capital Management Limited | RO | Advising on securities | 2025-03-31 | - |
| RO | Asset management | 2025-03-31 | - | |
| Alphawise Asset Management Limited | RO | Advising on securities | 2020-11-06 | 2024-11-30 |
| RO | Asset management | 2019-06-05 | 2024-11-30 | |
| Guardians Asset Management Limited | RO | Asset management | 2018-01-03 | 2019-04-01 |
| GRAND PARTNERS ASSET MANAGEMENT LIMITED | RO | Asset management | 2017-02-06 | 2017-12-19 |
| Rep | Asset management | 2013-06-20 | 2017-02-06 | |
| EMPEROR FUTURES LIMITED | Rep | Dealing in futures contracts | 2008-01-07 | 2009-06-01 |
| EMPEROR SECURITIES LIMITED (HK) | Rep | Dealing in securities | 2007-10-25 | 2009-06-01 |