| Company | Timeline | Status | |
| Porterbrook Holdings I Limited Director • Unreported | 25 Feb 2015←10 Years→Current | Active | |
| Porterbrook Holdings Ii Limited Director • Unreported | 25 Feb 2015←10 Years→Current | Active | |
| Porterbrook Leasing Mid Company Limited Director • Unreported | 25 Feb 2015←10 Years→Current | Active | |
| Porterbrook Leasing Company Limited Director • Unreported | 25 Feb 2015←10 Years→Current | Active | |
Porterbrook Investments Iii Limited Director • Non Executive Director | 25 Feb 2015←6 Months→27 Aug 2015 | Dissolved | |
Porterbrook Investments Ii Limited Director • Non Executive Director | 25 Feb 2015←6 Months→27 Aug 2015 | Dissolved | |
| Porterbrook Investments I Limited Director • Non Executive Director | 25 Feb 2015←6 Months→27 Aug 2015 | Active | |
| Gemini Rail Technology UK Ltd Director • Non Executive Director | 1 Jan 2013←2 Years 2 Months→2 Mar 2015 | Dissolved | |
| Network Rail Certification Body Limited Director • Company Director | 1 Apr 2012←7 Years→12 Mar 2020 | Active | |
| Lenborough Management Services Ltd Director • Unreported | 26 Apr 2011←14 Years→Current | Active | |
