| Company | Timeline | Status | |
| Interserve Scotland And Ireland Director • Engineer | 15 Mar 2013←3 Years→3 Dec 2016 | Active | |
| Interserve Ireland Director • Civil Engineer | 15 Mar 2013←3 Years→3 Dec 2016 | Active | |
| Stephen McIlwaine Limited Director • Engineer | 29 Aug 2012←13 Years→Current | Active | |
