| Company | Timeline | Status | |
| Campbell Holdings Retford Limited Director • Engineer | 21 Nov 2024←11 Months→Current | Active | |
| Campbell Design & Engineering Limited Director • Unreported | 21 Nov 2024←11 Months→Current | Active | |
| Nath Engineering Limited Director • Unreported | 20 Sep 2021←4 Years→Current | Active | |
