| Company | Timeline | Status | |
| Et Press Ltd Director • Company Director  | 26 Aug 2022←3 Years→Current  | Active  | |
| Janus Publishing Company Limited Director • Company Director  | 9 Apr 2013←12 Years→Current  | Active  | |
| Ambersphere Solutions Ltd Director • Company Director  | 4 Aug 2011←12 Years→14 Mar 2024  | Active  | |
| Ambersphere Solutions Ltd Secretary • Unreported  | 18 Apr 2007←16 Years→14 Mar 2024  | Active  | |
| Independence Educational Publishers Limited Director • Unreported  | 6 Oct 2006←19 Years→Current  | Active  | |
| Cambridge Academic Ltd Director • Director  | 15 Mar 2005←20 Years→Current  | Active  | |
| Entertainment Technology Press Limited Director • Internet Consultant  | 20 Dec 1999←25 Years→Current  | Active  | |
| Entertainment Technology Press Limited Secretary • Lighting Systems Control Manuf  | 20 Dec 1999←2 Years→4 Jan 2002  | Active  | |
| Cambridge Media Group Limited Director • Director  | 22 Sep 1999←26 Years→Current  | Active  | |
| Realnet Limited Director • Finance Director  | 22 Oct 1998←27 Years→Current  | Active  | |
