| Company | Timeline | Status | |
| C R Macdonald Holdings Limited Director • Contracts Manager | 25 Jan 2021←4 Years→Current | Active | |
| C R Macdonald Plant Hire Limited Director • Contracts Manager | 25 Jan 2021←4 Years→Current | Active | |
| C R Macdonald Limited Director • Contracts Manager | 25 Jan 2021←4 Years→Current | Active | |
| Macdonald Surfacing Limited Director • Contracts Manager | 19 Nov 2020←5 Years→Current | Active | |
| Siverns Consultancy Limited Director • Manager | 15 Jul 2019←1 Year 5 Months→31 Dec 2020 | Dissolved | |
