| Company | Timeline | Status | |
| Broadband Training Limited Director • Managing Director Of Swires Research | 31 Jul 2012←13 Years→Current | Active | |
| SCTE Limited Director • Proprietor | 7 Jul 1998←27 Years→Current | Active | |
| Distantecho Limited Director • Electronics Manufacturer | 30 Nov 1991←1 Month→24 Jan 1992 | Active | |
