| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Interactive Brokers Hong Kong Limited | Rep | Leveraged foreign exchange trading | 2018-11-09 | 2019-06-01 |
| Rep | Dealing in futures contracts | 2018-05-07 | 2019-06-01 | |
| Rep | Dealing in securities | 2018-04-23 | 2019-06-01 | |
| DBS VICKERS (HONG KONG) LIMITED | Rep | Dealing in securities | 2016-01-04 | 2018-04-01 |
| CHIEF SECURITIES LIMITED | Rep | Dealing in securities | 2013-01-16 | 2014-06-29 |