| Company | Timeline | Status | |
| Lba Books Ltd Director • Unreported | 17 Oct 2024←1 Year→Current | Active | |
| Luigi Bonomi Associates Limited Director • Unreported | 3 Dec 2004←20 Years→Current | Active | |
Antony Preston Antiques Limited Director • Literary Agent | 3 Aug 2001←11 Years→25 Mar 2013 | Dissolved | |
| Sidebridge Limited Director • Literary Agent | 12 Jan 2001←7 Years→27 Oct 2008 | Active | |
