| Company | Timeline | Status | |
| Rail Electrification Limited Director • Director | 1 Jul 2025←5 Months→Current | Active | |
| QTS Group Ltd Director • Director | 26 Jun 2025←5 Months→Current | Active | |
| QTS Training Ltd Director • Director | 3 Jun 2025←6 Months→Current | Active | |
| Giffen Holdings Limited Director • Director | 22 Jan 2025←10 Months→Current | Active | |
| Amco Group Holdings Limited Director • Director | 22 Jan 2025←10 Months→Current | Active | |
| Amco Group Limited Director • Director | 22 Jan 2025←10 Months→Current | Active | |
| Amalgamated Construction Ltd Director • Director | 22 Jan 2025←10 Months→Current | Active | |
| Giffen Group Limited Director • Director | 22 Jan 2025←10 Months→Current | Active | |
| Costain Integrated Technology Solutions Limited Director • Sector Director | 5 Jul 2016←3 Years→6 Apr 2020 | Active | |
