| Company | Timeline | Status | |
| Caroline Johnstone Limited Director • Consultant / Company Director | 28 Jun 2010←15 Years→Current | Active | |
| James Johnstone Limited Secretary • Unreported | 3 Jun 2005←20 Years→Current | Active | |
| James Johnstone Limited Director • Consultant | 3 Jun 2005←20 Years→Current | Active | |
