| Company | Timeline | Status | |
| Scadatec Limited Director • Company Director | 1 Nov 2004←13 Years→26 Nov 2017 | Dissolved | |
| Voestalpine Signaling UK Ltd Director • Technical Director | 13 Dec 1991←16 Years→4 Feb 2008 | Active | |
| Voestalpine Signaling UK Ltd Director • Unreported | 1 Jan 1970←38 Years→4 Feb 2008 | Active | |
