| Company | Timeline | Status | |
| Dr J H Burgoyne & Partners Limited Liability Partnership Non-designated LLP Member • Unreported | 18 Jun 2001←12 Years→30 Jun 2013 | Active | |
| Dr. J.H. Burgoyne & Partners (International) Limited Director • Consultant Scientist | 2 Apr 1992←17 Years→13 Jun 2009 | Active | |
| Dr. J. H. Burgoyne Limited Director • Consultant Scientist | 2 Apr 1992←12 Years→30 Jun 2004 | Active | |
