| Lego Securities Limited | Rep | Dealing in securities | 2021-05-20 | - |
| Lego Corporate Finance Limited | RO | Advising on corporate finance | 2016-01-13 | - |
| QUAM CAPITAL LIMITED | RO | Advising on corporate finance | 2009-03-09 | 2016-01-03 |
| Rep | Advising on corporate finance | 2009-02-12 | 2009-03-09 |
| Optima Capital Limited | Rep | Dealing in securities | 2007-11-26 | 2009-01-20 |
| RO | Advising on corporate finance | 2007-04-18 | 2009-01-20 |
| Rep | Advising on corporate finance | 2005-04-13 | 2007-04-18 |
| SOUTH CHINA CAPITAL LIMITED | Rep | Advising on corporate finance | 2004-06-09 | 2005-03-30 |
| HOORAY CAPITAL LIMITED | Rep | Advising on corporate finance | 2003-04-01 | 2004-06-04 |