| Company | Timeline | Status | |
| Marshall ADG Ltd Director • Director | 1 Sep 2020←9 Months→3 Jun 2021 | Active | |
| Marshall Middle East Limited Director • Director | 1 Sep 2020←12 Months→31 Aug 2021 | Active | |
| Marshall Land Systems Ltd Director • Director | 1 Sep 2020←10 Months→13 Jul 2021 | Active | |
| Slingsby Advanced Composites Limited Director • Director | 1 Sep 2020←10 Months→13 Jul 2021 | Active | |
| Marshall Of Cambridge Aerospace Limited Director • Director | 1 Sep 2020←10 Months→13 Jul 2021 | Active | |
