| Company | Timeline | Status | |
| S.M.R. Engineering Services Limited Director • Engineer | 24 Oct 2017←8 Years→Current | Active | |
| Dorspring Models Limited Director • Engineer | 3 Mar 2014←11 Years→1 Jul 2025 | Dissolved | |
| Southern Miniature Railways Ltd Director • Engineer | 23 Feb 2012←13 Years→Current | Active | |
| Southern Miniature Railways Engineering Limited Director • Engineer | 12 Jul 2011←6 Years→13 Feb 2018 | Dissolved | |
