| Company | Timeline | Status | |
| Formalnew Property Management Limited Director • Electronics Engineer  | 27 Nov 1997←19 Years→1 Oct 2017  | Active  | |
| Formalnew Property Management Limited Secretary • Electronics Engineer  | 27 Nov 1997←19 Years→1 Oct 2017  | Active  | |
| Electronicon Limited Secretary • Design Consultant  | 11 Mar 1993←24 Years→8 Feb 2018  | Active  | |
| Electronicon Limited Director • Company Director  | 17 Nov 1992←32 Years→Current  | Active  | |
| M.E. Supplies (Electronics) Limited Director • Company Director  | 20 Sep 1991←34 Years→Current  | Active  | |
| M.E. Supplies (Electronics) Limited Secretary • Unreported  | 20 Sep 1991←34 Years→Current  | Active  | |
| P.W. Circuits Limited Director • Electronics Engineer  | 20 Sep 1991←7 Years→6 Apr 1999  | Active  | |
| P.W. Circuits Limited Secretary • Unreported  | 20 Sep 1991←7 Years→6 Apr 1999  | Active  | |
| O. & M. Designs Limited Director • Design Consultant  | 20 Sep 1991←29 Years→31 Aug 2021  | Active  | |
| O. & M. Designs Limited Secretary • Unreported  | 20 Sep 1991←29 Years→31 Aug 2021  | Active  | |
