| Company | Timeline | Status | |
| Silverbrae Limited Director • Retired Company Director | 30 Jul 2009←4 Years→30 Sep 2013 | Active | |
| Ductwork Services Limited Director • Ventilating Contractor | 20 Sep 1993←32 Years→Current | Active | |
| Ductwork Services Limited Secretary • Ventilating Contractor | 20 Sep 1993←4 Years→1 Jun 1998 | Active | |
Lucas & Steen Limited Director • Ventilating Contractor | 31 May 1990←15 Years→14 Mar 2006 | Active | |
Lucas & Steen Limited Secretary • Ventilating Contractor | 31 May 1990←6 Years→21 Oct 1996 | Active | |
