| Company | Timeline | Status | |
| Prodman Limited Director • Computer Consultant | 13 Jan 1998←20 Years→1 Feb 2018 | Active | |
| 15 Dunbar Road Limited Director • Computer Consultant | 5 Aug 1993←32 Years→Current | Active | |
| Colbek Systems Limited Director • Computer Consultant | 30 May 1991←17 Years→30 Jun 2008 | Active | |
