| Company | Timeline | Status | |
| Posteu Ltd Director • Design Engineer | 13 Feb 1992←34 Years→Current | Active | |
| Design Initiative Limited Director • Design Engineer | 13 Feb 1992←34 Years→Current | Active | |
| Posteu Ltd Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| Design Initiative Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
