| Company | Timeline | Status | |
| David Herdman Photography Limited Secretary • Unreported | 24 Jan 2005←17 Years→18 Nov 2022 | Dissolved | |
| Rita Mansfield Associates Limited Director • Conference Organiser | 8 Jul 2004←21 Years→Current | Active | |
| Rita Mansfield Associates Limited Secretary • Conference Organiser | 8 Jul 2004←4 Years→1 Aug 2008 | Active | |
