| Company | Timeline | Status | |
| D&M Mould Specialists Limited Director • Engineer | 8 Jul 2005←20 Years→Current | Active | |
| Martin Glover Engineering Limited Director • Engineer | 28 Nov 2000←25 Years→Current | Active | |
| Baldock Industrial Estate Limited Director • Engineer | 31 Dec 1991←8 Months→4 Sep 1992 | Active | |
