| Company | Timeline | Status | |
| WM Plant Design Limited Director • Director | 16 Jun 2020←5 Years→Current | Active | |
| P D Woolton & Formby Limited Director • Director | 1 Jun 2017←3 Years→29 Dec 2020 | Dissolved | |
WT McEvoy Plant Design Limited Director • Director | 7 Jan 2016←1 Year 9 Months→17 Oct 2017 | Dissolved | |
Plant Design (N.W.) Limited Director • Director | 17 May 2006←8 Years→3 Jul 2014 | Dissolved | |
