| Company | Timeline | Status | |
| Aula Hospitality Limited Secretary • Bursar | 7 May 2008←11 Years→27 Mar 2020 | Active | |
| Geomerics Limited Director • College Bursar | 4 Jul 2007←6 Years→12 Dec 2013 | Dissolved | |
| Aula Limited Secretary • College Bursar | 16 Dec 2004←15 Years→27 Mar 2020 | Dissolved | |
| Trinity Hall Residences (1) Limited Secretary • College Bursar | 16 Dec 2004←15 Years→27 Mar 2020 | Active | |
