| Company | Timeline | Status | |
| Donmar Films Limited Director • Ceo Of House Productions | 16 Apr 2020←3 Years→18 Apr 2023 | Dissolved | |
| Donmar Productions Limited Director • Ceo Of House Productions | 16 Apr 2020←5 Years→Current | Active | |
| Donmar In The West End Limited Director • Ceo Of House Productions | 16 Apr 2020←3 Years→18 Apr 2023 | Dissolved | |
| Donmar Warehouse Projects Limited Director • Ceo Of House Productions | 7 Apr 2020←5 Years→Current | Active | |
| Imperial War Museum Film Production Limited Director • None | 25 Aug 2015←10 Years→Current | Active | |
| Tessa Ross & Associates Limited Director • Director | 21 Feb 2015←5 Years→24 May 2020 | Dissolved | |
