| Company | Timeline | Status | |
| Satchforth Limited Director • Architect | 13 Sep 1991←3 Years→14 Mar 1995 | Active | |
| Tectus Architecture Limited Director • Architect | 31 Dec 1990←9 Years→21 Jan 2000 | Dissolved | |
| Tectus Architecture Limited Secretary • Unreported | 31 Dec 1990←9 Years→21 Jan 2000 | Dissolved | |
