| Company | Timeline | Status | |
| R & D Super Steer Limited Director • Mechanical Engineer | 27 Jun 2000←24 Years→8 Jan 2025 | Active | |
| Empathy R & D Limited Director • Mechanical Engineer | 29 Jan 1999←25 Years→8 Jan 2025 | Active | |
| R. & D. Marine Limited Director • Mechanical Engineer | 31 Jan 1991←33 Years→8 Jan 2025 | Active | |
| R. & D. Marine Limited Director • Unreported | 1 Jan 1970←55 Years→8 Jan 2025 | Active | |
