| Company | Timeline | Status | |
| Buchanan Staffing Group Holdings Limited Director • Unreported | 19 Dec 2023←1 Year 10 Months→Current | Active | |
| Buchanan Search Limited Director • Director | 8 Jan 2019←5 Years→11 Jun 2024 | Dissolved | |
| Buchanan Graduate Limited Director • Director | 8 Jan 2019←5 Years→11 Jun 2024 | Dissolved | |
| Buchanan Law Limited Director • Unreported | 8 Jan 2019←6 Years→Current | Active | |
| Buchanan Staffing Group Limited Director • Unreported | 19 Jul 2011←14 Years→Current | Active | |
