| Company | Timeline | Status | |
| Tilechief Limited Director • Engineering Consultant | 13 Mar 1992←33 Years→Current | Active | |
| Chiefsingle Limited Director • Engineer | 31 Dec 1991←34 Years→Current | Active | |
| Tilechief Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| Chiefsingle Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
