| Company | Timeline | Status | |
| Quadrangle Fieldworks Limited Director • Company Director | 21 Apr 2023←6 Months→14 Nov 2023 | Dissolved | |
| Quadrangle Research Group Limited Director • Company Director | 1 Oct 2012←13 Years→Current | Active | |
| The River Limited Director • Company Director | 21 Jan 1993←30 Years→2 May 2023 | Dissolved | |
| Quadrangle Communications Limited Director • Company Director | 23 Dec 1991←34 Years→Current | Active | |
