| Company | Timeline | Status | |
| Ambersoft Systems Limited Director • Computer Consultant | 1 Jun 2001←24 Years→Current | Active | |
| Citycharge Limited Director • Computer Consultant | 11 Apr 1992←33 Years→Current | Active | |
| Ambersoft Consulting Ltd Director • Computer Consultant | 4 Jun 1991←34 Years→Current | Active | |
