| Company | Timeline | Status | |
| Masonic Samaritan Fund Director • Orthopaedic Surgeon | 19 Mar 2013←3 Years→1 Apr 2016 | Active | |
| Richard Harker FRCS Limited Director • Surgeon | 26 Mar 2010←15 Years→Current | Active | |
North Hampshire Orthopaedic Surgeons Limited Director • Orthopaedic Surgeon | 11 Oct 2007←10 Years→27 Feb 2018 | Dissolved | |
