| Company | Timeline | Status | |
| Hendrickse DH Limited Director • Dentist | 27 Apr 2020←6 Days→3 May 2020 | Active | |
| The Medical Protection Society Limited Director • Professor Of Primary Dental Care | 9 Jun 2010←4 Years→8 Oct 2014 | Active | |
| The Prep Panel Ltd Director • Lecturer | 17 Feb 2006←17 Years→12 Dec 2023 | Dissolved | |
| Dental Protection Limited Director • Dentist | 7 Oct 2003←11 Years→8 Oct 2014 | Active | |
