| Company | Timeline | Status | |
| The Thatcham (Old Bluecoat School) Charity Director • Forensic Scientist  | 9 Oct 2018←7 Years→Current  | Active  | |
| Burgoyne Management Limited Director • Consulting Engineer  | 12 Nov 2015←3 Years→1 Jul 2019  | Active  | |
| Burgoyne Management Limited Director • Consulting Engineer  | 12 Jan 2010←5 Years→30 Jun 2015  | Active  | |
| Dr. J. H. Burgoyne Limited Director • Chemist  | 1 Jul 2007←5 Months→7 Dec 2007  | Active  | |
| Dr J H Burgoyne & Partners Limited Liability Partnership Non-designated LLP Member • Unreported  | 1 Jul 2003←18 Years→1 Jul 2021  | Active  | |
