| Company | Timeline | Status | |
| Simon Trewin Limited Director • President  | 1 Feb 2019←6 Years→Current  | Active  | |
| Salisbury Playhouse Productions Limited Director • Partner In Entertainment Business  | 25 Sep 2014←4 Months→19 Feb 2015  | Active  | |
| Playhouse Services Limited Director • Literary Agent  | 29 Nov 2011←2 Years 11 Months→13 Nov 2014  | Active  | |
| Arvon Foundation Limited (The) Director • Literary Agent  | 26 Oct 2011←5 Years→9 Oct 2017  | Active  | |
Beak Street Partners Limited Director • Literary Agent  | 3 Jul 2009←2 Years 10 Months→22 May 2012  | Dissolved  | |
| Peters Fraser & Dunlop Limited Director • Literary Agent  | 1 Jan 2006←1 Year 8 Months→23 Sep 2007  | Active  | |
