| Company | Timeline | Status | |
| Nine Vista Ltd Director • Director | 25 Jan 2024←1 Year 10 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 | |
