| Company | Timeline | Status | |
| James Buckman Limited Director • Engineer | 18 Feb 2025←8 Months→Current | Active | |
Sonic Products Limited Director • Mechanic | 22 Jul 2010←7 Years→5 Dec 2017 | Dissolved | |
| D.J. Buckman Limited Director • Unreported | 8 Mar 2004←21 Years→Current | Active | |
