| Company | Timeline | Status | |
| Polytec P.I. Limited Director • Director | 28 Jun 1993←13 Years→31 Dec 2006 | Dissolved | |
| Diverse Technologies And Systems Limited Director • Company Director | 21 Sep 1991←13 Years→16 Aug 2005 | Active | |
| Lambda Photometrics Limited Director • Company Director | 16 May 1991←15 Years→31 Dec 2006 | Active | |
