| Company | Timeline | Status | |
| Sedgemont Ltd Director • Director | 6 Jun 2025←5 Months→Current | Active | |
| Master Works Limited Director • Composite Technology Licensing | 5 Feb 2008←17 Years→Current | Active | |
| L'Eauzone Ltd Director • Technical Consultant | 26 Nov 2004←20 Years→Current | Active | |
| William Ivor Stone Limited Director • Technical Consultant | 23 Aug 2002←23 Years→Current | Active | |
