| Company | Timeline | Status | |
| David Langford Limited Director • Accountant | 2 Jan 2007←18 Years→Current | Active | |
| Palfinger Tail Lifts Limited Director • Financial Director | 1 Nov 2001←4 Years→31 Aug 2006 | Active | |
| Stafford-Miller Limited Director • Accountant | 1 Aug 2000←11 Months→30 Jun 2001 | Dissolved | |
