| Company | Timeline | Status | |
| Burgoyne Management Limited Director • Chemist | 7 Dec 2007←13 Years→19 Jul 2021 | Active | |
| Dr. J.H. Burgoyne & Partners (International) Limited Director • Chemist | 1 Jan 2007←14 Years→19 Jul 2021 | Active | |
| Dr J H Burgoyne & Partners Limited Liability Partnership Non-designated LLP Member • Unreported | 18 Jun 2001←20 Years→1 Jul 2021 | Active | |
| Dr. J. H. Burgoyne Limited Director • Consultant Scientist | 2 Apr 1992←29 Years→19 Jul 2021 | Active | |
