| Company | Timeline | Status | |
| Usa2europe Limited Director • Director | 11 Sep 2014←9 Months→3 Jul 2015 | Dissolved | |
| Epson (U.K.) Limited Director • Director | 1 Sep 2009←2 Years 5 Months→31 Jan 2012 | Active | |
| Graphene Nanochem Plc Director • Accountant | 19 Apr 2006←1 Year 3 Months→30 Jul 2007 | Dissolved | |
| Epson (U.K.) Limited Secretary • Accountant | 1 Apr 2003←6 Years→30 Sep 2009 | Active | |
Orpheus Publications Limited Secretary • Unreported | 23 Apr 1991←4 Years→31 Mar 1996 | Dissolved | |
