| Company | Timeline | Status | |
| Desiderata,Limited Director • Bookseller | 18 Dec 1996←25 Years→15 Feb 2022 | Dissolved | |
| Bertram Rota Limited Director • Antiquarian Bookseller | 11 Jul 1992←33 Years→Current | Active | |
| Rolaw Limited Director • Antiquarian Bookseller | 31 Jan 1991←34 Years→Current | Active | |
