| Company | Timeline | Status | |
| Shuttleworth Design Limited Director • Company Director | 27 Jan 2014←5 Years→28 Nov 2019 | Active | |
| Time2relate Ltd Director • Yacht Designer | 23 Feb 2004←21 Years→Current | Active | |
| John Shuttleworth Yacht Designs Limited Director • Yacht Designer | 31 Oct 1991←34 Years→Current | Active | |
