| Company | Timeline | Status | |
| Nine Vista Ltd Director • Director  | 25 Jan 2024←1 Year 9 Months→Current  | Active  | |
| B Quiet Acoustic Limited Director • Director  | 31 Aug 2018←5 Years→9 Jul 2024  | Dissolved  | |
Multivista Limited Director • Director  | 5 Feb 2004←16 Years→3 Mar 2020  | Dissolved  | |
Kepler Electronics Limited Director • Director  | 4 Jul 2003←13 Years→4 May 2017  | Dissolved  | |
Zestec Limited Director • Design Engineer (electronics)  | 5 Aug 1994←9 Months→5 May 1995  | Dissolved  | |
