| Company | Timeline | Status | |
| High Speed Rail Finance Plc Director • Director | 30 Aug 2012←21 Days→20 Sep 2012 | Active | |
| High Speed One (HS1) Limited Director • Director Otppb | 17 Feb 2011←1 Year 7 Months→20 Sep 2012 | Active | |
| CTRL (UK) Limited Director • None | 18 Nov 2010←1 Year 10 Months→20 Sep 2012 | Active | |
| HS1 Limited Director • None | 18 Nov 2010←1 Year 10 Months→20 Sep 2012 | Active | |
| Helix Acquisition Limited Director • None | 11 Nov 2010←1 Year 10 Months→20 Sep 2012 | Active | |
| Helix Bufferco Limited Director • None | 11 Nov 2010←1 Year 10 Months→20 Sep 2012 | Active | |
| Helix Midco Limited Director • None | 11 Nov 2010←1 Year 10 Months→20 Sep 2012 | Active | |
| Birmingham Airport Holdings Limited Director • Director, Teachers' Infrastructure Group | 19 Sep 2007←8 Years→9 Mar 2016 | Active | |
| Airport Group Investments Limited Secretary • Unreported | 14 May 2007←1 Year 2 Months→16 Jul 2008 | Active | |
| Airport Group Investments Limited Director • Portfolio Manager | 14 May 2007←4 Years→1 Feb 2012 | Active | |
