| Company | Timeline | Status | |
| Hall Engineering Services Limited Director • Engineer | 25 Jan 2019←7 Years→Current | Active | |
Skeltonhall Systems Limited Director • Engineer | 10 Oct 2018←1 Year 5 Months→10 Mar 2020 | Dissolved | |
| Skeltonhall Limited Director • Engineer | 16 Nov 2017←8 Years→Current | Active | |
| Krohne Oil & Gas (UK) Limited Director • Engineer | 23 Feb 2007←11 Years→14 Feb 2019 | Dissolved | |
