| Company | Timeline | Status | |
| Dmi (HB) Limited Director • Director | 10 Oct 2022←1 Year 5 Months→28 Mar 2024 | Dissolved | |
| W.M. Codd Limited Director • Director | 12 Aug 2022←1 Year 7 Months→28 Mar 2024 | Active | |
| Landon Engineering (Castle Works) Limited Director • Company Director | 6 Jul 2018←5 Years→28 Mar 2024 | Active | |
| Spiro-Gills Thermal Products Ltd Director • Engineer | 27 Aug 2016←7 Years→28 Mar 2024 | Active | |
| Chirton Investments Limited Director • None | 23 Jan 2015←10 Years→Current | Active | |
| Jackwoodford Limited Director • Commercial Director | 30 Jul 2014←11 Years→Current | Active | |
| Valiant Sheep Limited Director • None | 1 Aug 2011←12 Years→28 Mar 2024 | Active | |
Dmi (UK) Limited Director • None | 16 Jun 2011←8 Years→27 Sep 2019 | Dissolved | |
| Dmiyc Realisations 2022 Limited Director • None | 16 Jun 2011←12 Years→28 Mar 2024 | Dissolved | |
| Diesel Marine International Limited Director • None | 1 Nov 2010←13 Years→28 Mar 2024 | Active | |
