| Company | Timeline | Status | |
| Into Work Director • Computer Specialist | 27 Oct 2010←12 Years→21 Sep 2023 | Active | |
| Value Technology Research Ltd Director • Computer Specialist | 13 Jul 1994←31 Years→Current | Active | |
| Edinburgh Printmakers Limited Director • Retired | 10 Oct 1988←1 Year 8 Months→22 Jun 1990 | Active | |
