| Company | Timeline | Status | |
| British Record Society Limited Director • Archivist | 14 May 2008←17 Years→Current | Active | |
| Twelvalex Limited Director • Civil Servant | 6 Dec 1991←34 Years→Current | Active | |
| Twelvalex Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
