| Company | Timeline | Status | |
| Scottish Enterprise Lanarkshire Director • Company Director | 27 Apr 1990←2 Years 1 Month→17 Jun 1992 | Active | |
| Lamberton Robotics Limited Director • Engineer | 14 Apr 1989←36 Years→Current | In Receivership | |
| Lamberton & Company Limited Director • Engineer | 14 Apr 1989←36 Years→Current | In Receivership | |
| Lamberton Hydraulics Limited Director • Engineer | 31 Dec 1988←36 Years→Current | In Receivership | |
| Inspirent Ltd Director • Engineer | 30 Dec 1988←3 Years→22 Jun 1992 | Active | |
