| Company | Timeline | Status | |
| Grammar Homes Limited Director • Chartered Electrical Engineer | 5 Feb 2024←1 Year 8 Months→Current | Active | |
| Optigene Limited Secretary • Unreported | 7 Jan 2008←17 Years→Current | Active | |
| Optigene Limited Director • Engineer | 7 Jan 2008←17 Years→Current | Active | |
| Optisense Limited Director • Engineer | 4 Jun 1998←27 Years→Current | Active | |
