| Company | Timeline | Status | |
| Burgoyne Management Limited Director • Unreported | 20 May 2022←3 Years→Current | Active | |
| Burgoyne Management Limited Director • Consulting Engineer | 12 Nov 2015←1 Year→2 Dec 2016 | Active | |
| Dr. J.H. Burgoyne & Partners (International) Limited Director • Materials Scientist | 31 Mar 2011←7 Years→27 Mar 2019 | Active | |
| Dr J H Burgoyne & Partners Limited Liability Partnership Non-designated LLP Member • Unreported | 1 Jul 2010←15 Years→Current | Active | |
