| Company | Timeline | Status | |
| Institute Of Contemporary ARTS Limited Director • Architect | 2 Oct 1992←1 Year 6 Months→11 Apr 1994 | Active | |
| Pilot Properties Limited Director • Architect | 2 Apr 1992←15 Years→19 Apr 2007 | Dissolved | |
| Levitt Bernstein Associates Limited Director • Architect | 27 Mar 1991←9 Years→1 May 2000 | Active | |
