| Company | Timeline | Status | |
| Riverbank Engineering Limited Director • Director | 24 Apr 2001←18 Years→30 Apr 2019 | Dissolved | |
| Riverbank Engineering Limited Secretary • Director | 24 Apr 2001←18 Years→30 Apr 2019 | Dissolved | |
| River Trading Limited Director • Director | 19 Apr 2000←20 Years→2 Dec 2020 | Dissolved | |
| D.D. Engineering Limited Director • Works Manager | 29 Sep 1997←21 Years→31 Mar 2019 | Active | |
| Waud Engineering Limited Director • Works Director | 31 Jul 1991←3 Years→1 Jul 1995 | Dissolved | |
