| Company | Timeline | Status | |
| R & D Super Steer Limited Director • Electrical Engineer | 27 Jun 2000←18 Years→15 Feb 2019 | Active | |
| Empathy R & D Limited Director • Electrical Engineer | 29 Jan 1999←20 Years→15 Feb 2019 | Active | |
| R. & D. Marine Limited Director • Electrical Engineer | 31 Jan 1991←28 Years→15 Feb 2019 | Active | |
| R. & D. Marine Limited Secretary • Unreported | 1 Jan 1970←49 Years→15 Feb 2019 | Active | |
