| Company | Timeline | Status | |
| Resultancy Limited Director • Physicist | 25 Jul 1997←7 Years→28 Mar 2005 | Active | |
| Rezultancy Limited Director • Physicist | 25 Jul 1997←7 Years→28 Mar 2005 | Dissolved | |
| Infrared Integrated Systems Limited Director • Electronics | 18 Apr 1996←6 Years→2 Jul 2002 | Active | |
