| Company | Timeline | Status | |
| Mark Harmer Eyecare Limited Director • Accountant | 28 Jan 2019←6 Years→Current | Active | |
Prosystema Limited Director • Accountant | 5 Jun 1995←25 Years→6 Oct 2020 | Dissolved | |
Prosystema Limited Secretary • Accountant | 5 Jun 1995←25 Years→6 Oct 2020 | Dissolved | |
