| Company | Timeline | Status | |
| Cranbrook Media Ltd Director • Publisher | 10 Jan 2007←9 Years→26 Oct 2016 | Dissolved | |
| The Academic Library Limited Director • Publisher | 28 Nov 2002←21 Years→3 May 2024 | Active | |
| The Electric Book Company Limited Director • Publisher | 5 Jan 1998←26 Years→3 May 2024 | Active | |
