| Company | Timeline | Status | |
| Ukmets Limited Director • Director | 17 Mar 2014←6 Years→31 Oct 2020 | Liquidation | |
| Hartec UK Limited Director • Consulting Engineer | 6 Jul 2006←14 Years→31 Oct 2020 | Dissolved | |
| G.I.M. Hart (Assessors) Limited Director • Engineer | 31 Dec 1991←28 Years→31 Oct 2020 | Liquidation | |
