| Company | Timeline | Status | |
| Alexander Developments Limited Secretary • Bookkeeper | 1 Oct 2003←22 Years→Current | Active | |
| Alexander (Design And Build) Limited Secretary • Unreported | 23 Jan 1992←33 Years→Current | Active | |
| Alexander (Design And Build) Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
