| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Grand Capital Securities Limited | Rep | Advising on securities | 2025-04-07 | - |
| Rep | Dealing in securities | 2025-02-27 | - | |
| PROVIDENT FUTURES (HONG KONG) LIMITED | Rep | Dealing in futures contracts | 2008-01-04 | 2024-11-28 |
| Ark Securities (Hong Kong) Limited | Rep | Dealing in securities | 2007-08-01 | 2024-11-28 |