| Company | Timeline | Status | |
| R.J. Howard Engineers Limited Director • Unreported | 1 Dec 1993←32 Years→Current | Active | |
| Howard Air Services Limited Director • Civil Engineer | 31 Dec 1991←33 Years→1 Jul 2025 | Dissolved | |
| Howard Air Services Limited Director • Unreported | 1 Jan 1970←55 Years→1 Jul 2025 | Dissolved | |
