| Company | Timeline | Status | |
| Government And Opposition Limited Director • Academic | 3 May 2001←7 Years→31 May 2008 | Active | |
| Polity Press Limited Director • Company Director | 26 Oct 1992←26 Years→2 Mar 2019 | Active | |
| Polity Press Limited Secretary • Unreported | 26 Oct 1992←26 Years→2 Mar 2019 | Active | |
