| Company | Timeline | Status | |
| Wilton Engineering Services Limited Director • Director | 3 Apr 2008←1 Year 2 Months→2 Jun 2009 | Active | |
| PD & MS Energy (Aberdeen) Limited Director • Senior Structural Engineer | 8 Oct 2002←6 Years→2 Jun 2009 | Active | |
| Aiken Realisations Limited Director • Director | 1 Dec 2001←1 Year 3 Months→3 Mar 2003 | Dissolved | |
