| Company | Timeline | Status | |
| Settle & Carlisle Railway Properties Limited Director • Company Director | 13 Feb 2015←4 Years→16 Jan 2020 | Active | |
| Advanced Rail Technologies Limited Director • Secretary | 1 Jun 2004←21 Years→Current | Active | |
| Advanced Rail Technologies Limited Secretary • Unreported | 1 Jun 2004←21 Years→Current | Active | |
| Ellipse Management Ltd Director • Consultant | 1 Feb 2004←21 Years→Current | Active | |
| Arcadis Consulting (UK) Limited Director • Engineer | 9 Mar 2001←1 Year 10 Months→17 Jan 2003 | Active | |
