| Company | Timeline | Status | |
| The Society Of Teachers Of The Alexander Technique Director • Alexander Technique Teacher | 18 Jul 2009←4 Years→2 Jan 2014 | Active | |
| Philip Donnison Occupational Psychology Limited Director • Teacher | 1 Apr 2007←18 Years→Current | Active | |
| Philip Donnison Occupational Psychology Limited Secretary • Unreported | 25 Jan 2006←20 Years→Current | Active | |
