| Company | Timeline | Status | |
| Erskine Hurt Consultants Limited Director • Engineer | 7 Dec 2001←23 Years→Current | Active | |
| Erskine Hurt Consultants Limited Secretary • Engineer | 7 Dec 2001←23 Years→Current | Active | |
| Rodgers Leask Limited Director • Consulting Engineer | 1 Aug 1997←4 Years→31 Dec 2001 | Active | |
