| Company | Timeline | Status | |
| Jensen Hughes UK, Ltd Director • Consultant Engineer | 4 Jun 2020←5 Years→Current | Active | |
| Jeremy Gardner Associates Belfast Limited Director • Consultant Engineer | 4 Jun 2020←5 Years→Current | Active | |
| International Fire Investigators And Consultants Limited Director • Managing Director, Europe | 4 Jun 2020←5 Years→Current | Active | |
| Jga Group Limited Director • Consultant Engineer | 4 Jun 2020←5 Years→Current | Active | |
| Jeremy Gardner Associates Limited Director • Consultant Engineer | 4 Jun 2020←5 Years→Current | Active | |
| Jeremy Gardner Associates Edinburgh Limited Director • Consultant Engineer | 3 Oct 2018←7 Years→Current | Active | |
