| Company | Timeline | Status | |
| Plustrade Limited Secretary • Teacher | 30 Mar 1994←10 Years→17 Feb 2005 | Active | |
| Stafftrade Limited Secretary • Teacher | 30 Mar 1994←10 Years→17 Feb 2005 | Active | |
| Posthold Limited Secretary • Teacher | 30 Mar 1994←10 Years→17 Feb 2005 | Active | |
| Crest Data Limited Director • Company Director | 30 Jul 1991←34 Years→Current | Active | |
| Crest Data Limited Secretary • Unreported | 30 Jul 1991←34 Years→Current | Active | |
| Crest Data Limited Director • Company Director | 1 Jan 1970←55 Years→25 May 2025 | Active | |
| Crest Data Limited Secretary • Unreported | 1 Jan 1970←55 Years→25 May 2025 | Active | |
