| Company | Timeline | Status | |
| Opus 57 Limited Director • Director | 11 Apr 2012←9 Years→6 Jul 2021 | Dissolved | |
| Bibliophile Limited Director • Unreported | 30 Jul 1996←29 Years→Current | Active | |
| Bibliophile Limited Secretary • Bookseller | 30 Jul 1996←21 Years→10 Aug 2017 | Active | |
