| Company | Timeline | Status | |
| Salfords Surrey JV Limited Director • Company Director | 16 Oct 2025←1 Month→Current | Active | |
| Terragrisea Limited Director • Director | 10 Oct 2025←1 Month→Current | Active | |
| Volkerrail Plant Limited Director • Director | 14 Jan 2025←10 Months→Current | Active | |
| Volkerrail Signalling Limited Director • Director | 14 Jan 2025←10 Months→Current | Active | |
| Volkerrail Welding Limited Director • Director | 14 Jan 2025←10 Months→Current | Active | |
| Volkerrail Power Limited Director • Director | 14 Jan 2025←10 Months→Current | Active | |
| Volkermatrix Limited Director • Director | 14 Jan 2025←10 Months→Current | Active | |
| Volkerstevin Holding Limited Director • Director | 13 Sep 2023←2 Years 2 Months→Current | Active | |
| Volkerstevin Infrastructure Limited Director • Director | 13 Sep 2023←2 Years 2 Months→Current | Active | |
| P J Davidson (UK) Limited Director • Director | 12 Sep 2023←2 Years 2 Months→Current | Active | |
