| Company | Timeline | Status | |
| John Aitken Limited Director • Director | 14 Jun 2007←18 Years→Current | Active | |
| John Aitken Limited Secretary • Unreported | 14 Jun 2007←18 Years→Current | Active | |
| Aitken Laboratories Limited Secretary • Unreported | 12 May 1993←30 Years→26 Jan 2024 | Active | |
