| Company | Timeline | Status | |
| Quorum Associates Limited Director • Structural Engineer | 1 Apr 2008←17 Years→Current | Active | |
| Quorum Project Management Limited Director • Director | 2 Nov 1999←19 Years→19 Feb 2019 | Active | |
| Quorum Associates Limited Secretary • Unreported | 10 Oct 1991←34 Years→Current | Active | |
