| Company | Timeline | Status | |
| Laing Publishing Ltd Director • Software Developer | 9 Oct 2006←16 Years→7 Feb 2023 | Dissolved | |
| Marconi Sailing Club Ltd Director • Technical Director | 21 May 2005←4 Years→29 Nov 2009 | Active | |
| MC Research Limited Director • Director | 12 Aug 1993←32 Years→Current | Active | |
| Deboyce Limited Director • Technical Manager | 31 Dec 1991←34 Years→Current | Active | |
