| Company | Timeline | Status | |
| Holt Art Projects Limited Director • Rare Bookseller | 23 Jun 2000←8 Years→28 Feb 2009 | Active | |
| Imageman Limited Director • Company Director | 25 Nov 1998←5 Years→1 Oct 2004 | Active | |
| Keenplace Limited Director • Bookseller | 10 Feb 1997←6 Years→2 May 2003 | Active | |
| Taskfind Limited Director • Book Seller | 10 Feb 1997←6 Years→2 May 2003 | Active | |
