| Company | Timeline | Status | |
| Hillbottom Road Management Limited Director • Director | 28 Jan 2021←2 Years→24 Feb 2023 | Active | |
| The Warren (Thame) Management Company Limited Director • Company Director | 28 Aug 2014←11 Years→Current | Active | |
| Southby Productions LLP Designated LLP Member • Unreported | 14 Mar 2013←1 Year 3 Months→30 Jun 2014 | Active | |
| James Southby Productions Limited Director • Director | 20 Feb 2012←11 Years→24 Feb 2023 | Active | |
