| Company | Timeline | Status | |
| Warren Macdonald Ltd Director • Unreported | 17 Oct 2022←3 Years→Current | Active | |
| The Oaks Counselling Service Limited Director • Consultant Bioengineer | 20 Jan 2012←5 Years→7 Apr 2017 | Dissolved | |
Warren Macdonald Ltd Director • Consulting Engineer | 23 Mar 2007←10 Years→4 Apr 2017 | Dissolved | |
