| Company | Timeline | Status | |
| Healthcare Enterprise Group Plc Director • Chartered Accountant | 19 Jun 2009←1 Year 9 Months→21 Mar 2011 | Dissolved | |
| Stark Brooks Group Limited Secretary • Unreported | 5 Feb 2007←18 Years→Current | Active | |
Stark Brooks Associates (Leeds) Limited Secretary • Unreported | 5 Feb 2007←10 Years→15 Aug 2017 | Dissolved | |
| Stark Brooks Associates Limited Secretary • Unreported | 5 Feb 2007←18 Years→Current | Active | |
| Reproductive Sciences Limited Director • Chartered Accountant | 1 Dec 2006←2 Years 8 Months→25 Aug 2009 | Dissolved | |
| Crest Medical Limited Director • Chartered Accountant | 1 Dec 2006←1 Year 4 Months→4 Apr 2008 | Active | |
| Healthcare Enterprise Group Plc Secretary • Unreported | 1 Dec 2006←4 Years→21 Mar 2011 | Dissolved | |
| Ebiox Limited Director • Chartered Accountant | 1 Dec 2006←2 Years 8 Months→19 Aug 2009 | Dissolved | |
Tepnel Biosystems Limited Director • Chartered Accountant | 16 May 2003←3 Years→24 May 2006 | Dissolved | |
| Hologic Ltd Director • Chartered Accountant | 26 Feb 2002←4 Years→24 May 2006 | Active | |
