| Company | Timeline | Status | |
| Burntwood Process Systems Limited Director • Engineer | 1 Sep 2003←22 Years→Current | Active | |
| Burntwood Valves Limited Director • Engineer | 31 Dec 1991←34 Years→Current | Active | |
| Burntwood Valves Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
