| Company | Timeline | Status | |
| Shuttleworth Design Limited Director • Company Director | 27 Jan 2014←5 Years→28 Nov 2019 | Active | |
| Time2relate Ltd Director • Unreported | 23 Feb 2004←21 Years→Current | Active | |
| John Shuttleworth Yacht Designs Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
