| Company | Timeline | Status | |
| H. Roberts & Son Limited Director • Unreported | 1 May 2013←12 Years→Current | Active | |
| H. Roberts & Son Limited Secretary • Unreported | 12 Mar 1993←32 Years→Current | Active | |
| H. Roberts & Son Limited Director • Office Manager | 12 Mar 1993←12 Years→31 Aug 2005 | Active | |
