| Company | Timeline | Status | |
| Davymarkham Limited Director • Engineer | 2 Oct 2014←6 Years→3 Jun 2021 | Active | |
| Hughes Armstrong Industries Limited Director • Engineer | 22 Sep 2014←3 Years→17 Nov 2017 | Active | |
| Advanced Construction Engineering Ltd Director • Company Director | 13 May 2014←3 Years→23 Mar 2018 | Active | |
| Davymarkham Group Limited Director • Company Director | 13 May 2014←4 Years→22 Jun 2018 | Dissolved | |
| Rubber Technologies Ltd Director • Company Director | 13 May 2014←3 Years→23 Mar 2018 | Active | |
Bci Brewchem Limited Director • Engineer | 27 Nov 2013←7 Months→1 Jul 2014 | Dissolved | |
| Trufab Technologies Limited Director • Engineer | 26 Nov 2013←10 Years→22 Apr 2024 | Dissolved | |
| Dexine Rubber Technologies Limited Director • Company Director | 10 Jul 2013←19 Days→29 Jul 2013 | Active | |
