| Company | Timeline | Status | |
| Art Data Limited Director • Unreported | 19 Dec 2008←17 Years→Current | Active | |
| 55 Valetta Road Limited Director • Bookseller | 3 Aug 2003←1 Year 5 Months→7 Jan 2005 | Active | |
| T.G. Borton Limited Director • Bookseller/publisher | 1 Nov 1992←33 Years→Current | Active | |
