| Company | Timeline | Status | |
| Reactive Markets Limited Director • Solicitor | 10 Dec 2022←1 Year 10 Months→15 Oct 2024 | Active | |
| Crans Aviation Holdings Sa Director • None | 14 Apr 2022←3 Years→Current | Active | |
| Crans Aviation Sa Director • None | 14 Apr 2022←3 Years→Current | Active | |
| Shinfield Studios Limited Director • Director | 17 Dec 2020←4 Years→Current | Active | |
| F Sparks LLP Designated LLP Member • Unreported | 16 Nov 2020←2 Years 11 Months→30 Oct 2023 | Active | |
| F Sparks Technologies Limited Director • Director | 15 Nov 2020←5 Years→Current | Active | |
| Systematic Investment Group LLP Designated LLP Member • Unreported | 14 Mar 2019←7 Months→16 Oct 2019 | Dissolved | |
| Brevan Howard Asset Management LLP Designated LLP Member • Unreported | 1 Aug 2010←14 Years→9 May 2025 | Active | |
| Brevan Howard Services Ltd Director • Legal Counsel | 10 Jun 2009←1 Year 11 Months→25 May 2011 | Active | |
