| Company | Timeline | Status | |
| Painter Brothers Limited Director • Unreported | 27 Oct 2025←2 Months→5 Jan 2026 | Active | |
| Rail Safety And Standards Board Limited Director • Board Director | 30 Jun 2025←6 Months→Current | Active | |
| Balfour Beatty Rail Track Systems Limited Director • Unreported | 17 Sep 2024←1 Year 3 Months→5 Jan 2026 | Active | |
| Balfour Beatty Rail Residuary Limited Director • Unreported | 17 Sep 2024←1 Year 3 Months→5 Jan 2026 | Active | |
| Birse Rail Limited Director • Director & General Manager, Renewals | 1 Dec 2011←10 Years→19 Jan 2022 | Dissolved | |
| Birse Metro Limited Director • Unreported | 1 Dec 2011←14 Years→5 Jan 2026 | Active | |
| Laser Rail Ltd Director • Unreported | 1 Dec 2011←14 Years→5 Jan 2026 | Active | |
| Balfour Beatty Rail Limited Director • Unreported | 1 Dec 2011←14 Years→5 Jan 2026 | Active | |
| Balfour Beatty Rail Projects Limited Director • Unreported | 1 Dec 2011←14 Years→5 Jan 2026 | Active | |
| Balfour Beatty Rail Infrastructure Services Limited Director • Unreported | 1 Dec 2011←14 Years→5 Jan 2026 | Active | |
