| Company | Timeline | Status | |
| Sigma (Oxon) General Partner LLP Designated LLP Member • Unreported | 29 May 2025←4 Months→Current | Active | |
| Sigma PRS General Partner Ii LLP Designated LLP Member • Unreported | 31 Aug 2021←4 Years→Current | Active | |
| Sigma (London) General Partner LLP Designated LLP Member • Unreported | 14 Jan 2021←4 Years→Current | Active | |
| Sigma (Northern) General Partner LLP Designated LLP Member • Unreported | 27 Mar 2019←6 Years→13 May 2025 | Dissolved | |
| Sigma PRS General Partner LLP Designated LLP Member • Unreported | 5 Jan 2016←9 Years→Current | Active | |
