| Company | Timeline | Status | |
| United Agents Limited Director • Literary Agent | 31 Dec 2022←11 Months→30 Nov 2023 | Active | |
| Lexington Agents LLP Non-designated LLP Member • Unreported | 1 Sep 2015←7 Years→31 Dec 2022 | Dissolved | |
| The Koestler Trust Director • Literary Agent | 18 Mar 2005←8 Months→29 Nov 2005 | Active | |
