| Company | Timeline | Status | |
| XTX Research LLP Non-designated LLP Member • Unreported | 1 Jul 2015←7 Years→18 Jun 2023 | Active | |
| HFFX LLP Non-designated LLP Member • Unreported | 14 Sep 2012←13 Years→Current | Active | |
| Atcom (Cambs) Limited Director • Programmer/analyst | 22 May 2000←7 Years→3 Jan 2008 | Active | |
