| Company | Timeline | Status | |
| OST Engineering Limited Director • Civil Engineer | 1 Aug 2019←6 Years→Current | Active | |
| Highways Development Limited Director • Civil Engineer | 22 Mar 2017←2 Years→17 Apr 2019 | Active | |
| Rob Nicholls (Civil Engineering) Limited Director • Civil Engineer | 2 Nov 2016←9 Years→Current | Active | |
