| Company | Timeline | Status | |
| Irvine Harbour Company (The) Secretary • Director | 19 Mar 2007←14 Years→20 Mar 2021 | Active | |
| King Street (Cheshire) Properties Limited Director • Director | 13 Mar 2007←3 Years→28 Feb 2011 | Active | |
| NPL Analytical Limited Secretary • Unreported | 7 Jul 2004←16 Years→26 May 2021 | Dissolved | |
| Thornton Facilities Management Limited Secretary • Unreported | 15 Apr 2003←18 Years→26 May 2021 | Active | |
| NPL Geotechnics Limited Secretary • Unreported | 15 Apr 2003←18 Years→26 May 2021 | Dissolved | |
| Ascot Taverns Limited Director • Director | 20 Mar 1991←34 Years→Current | Liquidation | |
