| Company | Timeline | Status | |
| Amentum Enterprise Asset Solutions Construction Limited Director • Director | 1 Oct 2025←3 Months→Current | Active | |
| Amentum E&C Limited Director • Unreported | 1 Oct 2025←3 Months→Current | Active | |
| Amentum Clean Energy International Limited Director • Unreported | 1 Oct 2025←3 Months→Current | Active | |
| Amentum Enterprise Asset Solutions Limited Director • Unreported | 1 Oct 2025←3 Months→Current | Active | |
| Amentum Clean Energy Limited Director • Director | 1 Oct 2025←3 Months→Current | Active | |
| Landmarc Support Services Limited Director • Director | 21 Jul 2025←6 Months→Current | Active | |
| Energy, Security And Technology UK Limited Director • Director | 6 Feb 2025←11 Months→Current | Active | |
| Amentum International Holdings UK Ltd Director • Unreported | 17 Apr 2023←2 Years 9 Months→Current | Active | |
| Amentum (UK) Ltd Director • Company Director | 6 Feb 2023←2 Years 11 Months→Current | Active | |
| Enterprise Cheshire And Warrington Director • International And Business Winning Direc | 1 Apr 2021←1 Year 12 Months→31 Mar 2023 | Active | |
