| Company | Timeline | Status | |
| Split Infinitive Trust Director • Playwright | 15 Mar 2005←20 Years→Current | Active | |
| Bowness Theatre Festival Limited Director • Writer Director | 8 Aug 2001←11 Years→6 Oct 2012 | Active | |
| Scarborough Theatre Development Trust Director • Company Director | 15 Mar 1993←17 Years→30 Jun 2010 | Active | |
| Haydonning Limited Director • Playwright/theatre Director | 21 Jul 1992←33 Years→Current | Active | |
| Unicorn Theatre London Ltd Director • Playwright/theatre Director | 29 Jan 1992←6 Months→30 Jul 1992 | Active | |
| Scarborough Theatre Trust Limited Director • Playwright | 14 Nov 1991←12 Years→1 Apr 2004 | Active | |
| Stephen Joseph Theatre Enterprises Limited Director • Playwright | 13 Mar 1991←14 Years→23 Mar 2005 | Active | |
