| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Grand China Securities Limited | Rep | Advising on securities | 2025-08-13 | - |
| Rep | Asset management | 2025-08-13 | - | |
| Rep | Dealing in securities | 2025-08-13 | - | |
| Alex KY Wong Asset Management Company Limited | Rep | Advising on securities | 2022-03-30 | 2023-11-01 |
| Rep | Asset management | 2022-03-30 | 2023-11-01 | |
| AMPLE CAPITAL LIMITED | Rep | Asset management | 2020-09-03 | 2022-03-28 |
| Rep | Advising on securities | 2020-07-27 | 2022-03-28 | |
| Mason Securities Limited | Rep | Advising on securities | 2018-05-16 | 2020-07-14 |
| Rep | Dealing in securities | 2018-05-16 | 2020-07-14 | |
| ZHONG ZHENG INTERNATIONAL FUTURES LIMITED | Rep | Advising on futures contracts | 2018-05-16 | 2020-07-14 |
| Rep | Dealing in futures contracts | 2018-05-16 | 2020-07-14 | |
| Yuanta Securities (Hong Kong) Company Limited | Rep | Advising on corporate finance | 2016-06-16 | 2018-05-09 |
| Rep | Dealing in securities | 2016-06-16 | 2018-05-09 |