| Company | Timeline | Status | |
| Yearstretch Limited Secretary • Unreported | 25 Sep 1992←27 Years→26 Oct 2019 | Active | |
| Stepped Piston Engines Limited Director • Business Consultant | 2 Dec 1988←17 Years→10 Mar 2006 | Active | |
| Yearstretch Limited Secretary • Unreported | 1 Jan 1970←49 Years→26 Oct 2019 | Active | |
| Stepped Piston Engines Limited Director • Unreported | 1 Jan 1970←36 Years→10 Mar 2006 | Active | |
