| Company | Timeline | Status | |
| Quadrant Estates LLP Designated LLP Member • Unreported | 1 Jul 2014←11 Years→Current | Active | |
Quadrant (Parnell Street) LLP Designated LLP Member • Unreported | 15 Apr 2014←6 Years→6 Oct 2020 | Dissolved | |
| Quadrant Junction LLP Designated LLP Member • Unreported | 10 Jan 2014←9 Years→7 Nov 2023 | Dissolved | |
