| Company | Timeline | Status | |
| Mla College Ltd Director • Non-executive Director | 1 Oct 2017←1 Year 9 Months→24 Jul 2019 | Active | |
| Marine Management (Holdings) Limited Director • Non-executive Director | 9 Feb 2016←2 Years 8 Months→17 Oct 2018 | Active | |
| Seazone Solutions Limited Director • Scientist | 23 Mar 2010←4 Years→22 Jan 2015 | Active | |
| Wallingford Systems Limited Director • Scientist | 12 Feb 2008←6 Years→22 Jan 2015 | Active | |
| Society Of Maritime Industries Limited Director • Civil Engineering | 15 Mar 2007←5 Years→21 Jun 2012 | Active | |
| HR Wallingford Group Limited Director • Scientist | 26 Jan 2006←8 Years→30 Oct 2014 | Active | |
| Society Of Maritime Industries Limited Director • Civil Engineering | 17 Mar 2005←1 Year 10 Months→31 Jan 2007 | Active | |
| Egs (International) Limited Director • Director | 19 Jan 2000←8 Years→22 Oct 2008 | Active | |
| HR Wallingford Limited Director • Scientist | 1 Jan 1996←19 Years→22 Jan 2015 | Active | |
