| Company | Timeline | Status | |
| Black Cat Industries Ltd Director • Company Director  | 6 Aug 2015←10 Years→Current  | Active  | |
| Sinclair Software Engineering & Consultancy Limited Director • Computer Consultant  | 14 Feb 1992←33 Years→Current  | Active  | |
| Sinclair Software Engineering & Consultancy Limited Secretary • Computer Consultant  | 14 Feb 1992←33 Years→Current  | Active  | |
