| BETA GLOBAL CAPITAL LIMITED | RO | Advising on corporate finance | 2019-01-11 | - |
| CLC International Limited | Rep | Dealing in securities | 2014-01-30 | 2018-12-17 |
| RO | Advising on corporate finance | 2012-12-07 | 2018-12-17 |
| Yuanta Securities (Hong Kong) Company Limited | RO | Advising on corporate finance | 2009-12-23 | 2012-09-01 |
| Rep | Advising on corporate finance | 2009-11-16 | 2009-12-23 |
| GRAND CATHAY SECURITIES (HONG KONG) LIMITED | RO | Advising on corporate finance | 2008-07-11 | 2009-09-01 |
| MEGA CAPITAL (ASIA) COMPANY LIMITED | RO | Advising on corporate finance | 2008-03-14 | 2008-06-30 |
| Rep | Advising on corporate finance | 2008-01-22 | 2008-03-14 |
| Yuanta Securities (Hong Kong) Company Limited | RO | Advising on corporate finance | 2006-07-08 | 2007-12-31 |
| Optima Capital Limited | RO | Advising on corporate finance | 2004-02-19 | 2005-12-29 |
| CNI GLOBAL CAPITAL LIMITED | Rep | Advising on corporate finance | 2003-07-18 | 2004-05-11 |
| Optima Capital Limited | Rep | Advising on securities | 2003-04-01 | 2003-07-11 |
| Rep | Asset management | 2003-04-01 | 2003-07-11 |
| Rep | Advising on corporate finance | 2003-04-01 | 2004-02-19 |