| Company | Timeline | Status | |
| SMLL Limited Director • Director | 6 Dec 2017←1 Year 7 Months→8 Jul 2019 | Active | |
| TRL Software Limited Director • Director | 6 Dec 2017←1 Year 7 Months→8 Jul 2019 | Active | |
| TRL International Limited Director • Director | 11 Jan 2016←3 Years→8 Jul 2019 | Active | |
| Thirlmere Dormant 2 Ltd Director • Director | 31 Oct 2013←5 Years→8 Jul 2019 | Active | |
| Thirlmere Dormant 1 Ltd Director • Director | 31 Oct 2013←5 Years→8 Jul 2019 | Active | |
| Appia Infrastructure Solutions Limited Director • Director | 24 Oct 2013←5 Years→8 Jul 2019 | Active | |
| TRL Limited Director • Chief Executive | 2 Sep 2013←5 Years→8 Jul 2019 | Active | |
| Transport And Travel Research Limited Director • Chief Executive | 1 Sep 2013←5 Years→8 Jul 2019 | Active | |
| Transport Research Foundation Director • Director | 25 Jul 2013←5 Years→2 Jul 2019 | Active | |
| Bsi Management Systems Ltd Director • Cd | 16 Jun 2010←2 Years 1 Month→16 Jul 2012 | Active | |
