| Company | Timeline | Status | |
| Maringay Limited Director • Director | 31 Mar 2000←24 Years→2 Jul 2024 | Dissolved | |
| R.H. Barrell Engineering Limited Secretary • Unreported | 31 Mar 2000←6 Years→13 Jul 2006 | Dissolved | |
| Maringay Limited Secretary • Director | 31 Mar 2000←6 Years→13 May 2006 | Dissolved | |
| R.H. Barrell Engineering Limited Director • Engineer | 14 Aug 1991←32 Years→5 Dec 2023 | Dissolved | |
