| Company | Timeline | Status | |
| Porta Of Poland Limited Secretary • Lecturer | 13 Jan 2000←25 Years→Current | Active | |
| Ronatree Limited Secretary • Lecturer | 13 Jan 2000←25 Years→Current | Active | |
| Bruce Douglas Marketing Limited Secretary • Lecturer | 13 Jan 2000←25 Years→Current | Active | |
| Brahan Business Services Limited Secretary • Lecturer | 15 Feb 1991←1 Year 1 Month→20 Mar 1992 | Dissolved | |
