| Company | Timeline | Status | |
| MBM Property Limited Director • Architect | 12 Oct 2001←24 Years→Current | Active | |
| MBM Property Limited Secretary • Architect | 12 Oct 2001←24 Years→Current | Active | |
| Northern Building Design Associates Limited Secretary • Architect | 1 Nov 1994←25 Years→10 Jan 2020 | Active | |
| Northern Building Design Associates Limited Director • Architect | 11 Jun 1991←28 Years→10 Jan 2020 | Active | |
