| Company | Timeline | Status | |
| English Pen Director • Writer | 8 Dec 2008←4 Years→2 Nov 2013 | Active | |
| Canon Collins Trust Director • Writer | 15 Dec 2003←17 Days→1 Jan 2004 | Active | |
| 86 Goldhurst Terrace Limited Director • Writer | 29 Jan 2003←7 Years→29 Jan 2010 | Active | |
| 86 Goldhurst Terrace Limited Secretary • Writer | 29 Jan 2003←17 Years→4 Jan 2021 | Active | |
