| Company | Timeline | Status | |
| Durston House School Limited Secretary • Bursar | 1 Jan 2005←21 Years→Current | Active | |
| Durston House School Educational Trust Limited Secretary • Unreported | 1 Jan 2005←21 Years→31 Dec 2025 | Active | |
| Rokeby Educational Trust Limited Secretary • Bursar | 18 Aug 1997←7 Years→31 Dec 2004 | Active | |
