| Company | Timeline | Status | |
| Sir Thomas Lipton Foundation Director • Director | 24 Nov 2020←4 Years→Current | Active | |
| A&T Instruments Ltd Director • Unreported | 12 Mar 2015←10 Years→Current | Active | |
| Navico UK Limited Director • Hydrographer | 20 Mar 2003←6 Months→10 Oct 2003 | Active | |
| Cape Cuvier Limited Director • Unreported | 6 Jul 2000←25 Years→Current | Active | |
Yeoman (Cambridge) Plc Director • Hydrographer | 15 May 2000←2 Years 3 Months→30 Aug 2002 | Dissolved | |
| Navico UK Limited Director • Hydrographer | 30 Jun 1998←4 Years→30 Aug 2002 | Active | |
Yeoman Group Plc Director • Hydrographer | 5 Sep 1996←7 Years→20 Oct 2003 | Dissolved | |
