| Company | Timeline | Status | |
| Guthrie Douglas Limited Director • Engineer  | 22 Sep 2010←2 Years 10 Months→8 Aug 2013  | Active  | |
| Calgarth Services Limited Director • Engineer  | 28 May 2008←6 Years→6 Jun 2014  | Dissolved  | |
| Geba Industrial Controls Limited Director • Engineer  | 2 Jun 1995←3 Years→15 Jun 1998  | Active  | |
| Geba Industrial Controls Limited Secretary • Engineer  | 2 Jun 1995←3 Years→15 Jun 1998  | Active  | |
| Gfa Elektromaten UK Ltd Director • Mechanical & Electrical Engine  | 27 Dec 1991←21 Years→10 Jun 2013  | Active  | |
