| Company | Timeline | Status | |
| Sigma Computer Consultants Limited Director • Director | 29 Dec 2000←11 Years→23 Mar 2012 | Active | |
| Sigma Computer Consultants Limited Secretary • Director | 29 Dec 2000←11 Years→24 Mar 2012 | Active | |
| Computus UK Limited Director • Computer Specialist | 25 Feb 1991←9 Years→1 Feb 2001 | Active | |
