| Company | Timeline | Status | |
| Xumk Limited Director • Business Advisor | 30 Jul 2010←15 Years→Current | Active | |
| Extzy Limited Director • Business Advisor | 18 May 2009←16 Years→Current | Active | |
| Gresham College Director • Accountant | 1 Sep 2008←11 Years→31 Jul 2020 | Active | |
| Z/Yen Contents Limited Director • Director | 29 Jan 2007←18 Years→Current | Active | |
| United Kingdom Accreditation Service Director • Accountant | 6 Oct 2005←20 Years→Current | Active | |
| Anglo American Crop Nutrients Limited Director • Director | 4 May 2005←8 Years→18 Mar 2014 | Active | |
| Z/Yen Ventures Limited Director • Business Advisor | 26 Nov 1999←25 Years→Current | Active | |
| Extzy Limited Secretary • Unreported | 26 Feb 1999←26 Years→Current | Active | |
| Z/Yen Adventures Limited Secretary • Unreported | 18 Feb 1999←26 Years→Current | Active | |
Insenter Limited Director • Professional Advisor | 20 Aug 1996←15 Years→9 May 2012 | Dissolved | |
