| Company | Timeline | Status | |
| Ms Engineering (Cumbria) Limited Director • Engineer | 17 Mar 2022←3 Years→Current | Active | |
| Mark Stevenson Engineering Limited Director • Engineer | 1 May 2014←7 Years→9 Nov 2021 | Dissolved | |
| Ritson Wharf Limited Director • Director | 21 Jan 2008←2 Years 2 Months→22 Mar 2010 | Active | |
