| Company | Timeline | Status | |
| Nuclear Decommissioning Limited Director • Engineer | 17 Apr 2019←3 Years→31 Mar 2023 | Active | |
| Nuclear Decontamination Services Ltd Director • Chartered Mechanical Engineer | 29 Jan 2016←7 Years→17 Jul 2023 | Active | |
| West Cumberland Engineering Limited Director • Chartered Mechanical Engineer | 4 Jan 2016←6 Years→17 Jan 2022 | Active | |
| Mothersill Engineering Limited Director • Chartered Mechanical Engineer | 1 May 2012←11 Years→28 Jun 2023 | Dissolved | |
| P.P.S. Electrical Limited Director • Chartered Mechanical Engineer | 1 Jun 2006←15 Years→17 Jan 2022 | Active | |
| Cumbria Nuclear Solutions Limited Director • Engineer | 7 Mar 2006←17 Years→31 May 2023 | Active | |
| Shepley Engineers Limited Director • Chartered Mechanical Engineer | 9 Nov 2004←18 Years→31 Mar 2023 | Active | |
