| Company | Timeline | Status | |
| Booker Associates Limited Director • Consultant  | 4 Feb 2020←5 Years→Current  | Active  | |
Booker Associates Limited Director • Engineering Consultant  | 25 May 2006←10 Years→19 Jul 2016  | Dissolved  | |
| Pitt Place Residents Association Limited Director • Engineer  | 26 Aug 2003←7 Months→6 Apr 2004  | Active  | |
