| Company | Timeline | Status | |
| Exobreathe Medical Limited Director • Director | 8 Oct 2025←2 Months→Current | Active | |
| Portsmouth Aviation Holdings Limited Director • Non-executive Chairman | 21 Feb 2022←3 Years→Current | Active | |
| Portsmouth Aviation Limited Director • Non-executive Chairman | 20 Feb 2022←3 Years→Current | Active | |
| ADS Group Limited Director • Company Director | 1 Feb 2020←11 Months→31 Dec 2020 | Active | |
| Surrey Nanosystems Limited Director • Company Chairman | 1 May 2017←8 Years→Current | Active | |
| Powerphotonic Limited Director • Non-executive Director | 18 May 2016←9 Years→Current | Active | |
Community Fusion Director • Company Director Non Exec | 10 Aug 2011←8 Months→2 May 2012 | Dissolved | |
| Avon Technologies Plc Director • Chairman | 1 Jun 2007←13 Years→2 Dec 2020 | Active | |
| Whatman Limited Director • Director | 1 Jan 2006←1 Year 4 Months→24 May 2007 | Liquidation | |
| I.C.S. Electronics Limited Director • Chief Executive | 12 Jul 2002←2 Years 8 Months→4 Apr 2005 | Active | |
