| Company | Timeline | Status | |
| Signature Signs Limited Secretary • Unreported  | 28 Feb 2000←23 Years→9 May 2023  | Dissolved  | |
| Dent Instrumentation Limited Director • Director  | 3 May 1992←30 Years→30 Sep 2022  | Active  | |
| Dent Instrumentation Limited Secretary • Unreported  | 3 May 1992←4 Years→1 Mar 1997  | Active  | |
