| Company | Timeline | Status | |
| Ellwood Engineering Consultants Ltd Director • Chartered Engineer | 15 Jun 2021←2 Years→20 Jun 2023 | Dissolved | |
| The Courtyard (York) Management Company Limited Director • Chartered Engineer | 2 Jan 2004←3 Years→31 Aug 2007 | Active | |
| Fluid Transfer International Limited Director • Director | 28 Oct 1998←1 Month→30 Nov 1998 | Active | |
| Sturrock And Robson (UK) Limited Director • Director | 28 Oct 1998←18 Years→8 Dec 2016 | Active | |
| Shand Engineering Limited Director • Engineer | 2 Sep 1996←18 Years→17 Dec 2014 | Active | |
