| Company | Timeline | Status | |
| Posteu Ltd Director • Design Engineer | 13 Feb 1992←33 Years→Current | Active | |
| Posteu Ltd Secretary • Unreported | 13 Feb 1992←33 Years→Current | Active | |
| Design Initiative Limited Director • Design Engineer | 13 Feb 1992←33 Years→Current | Active | |
| Design Initiative Limited Secretary • Unreported | 13 Feb 1992←33 Years→Current | Active | |
| Design Initiative Limited Secretary • Unreported | 1 Jan 1970←55 Years→3 Jun 2025 | Active | |
