| Company | Timeline | Status | |
| John Harrison Limited Secretary • Unreported | 19 Jan 2004←21 Years→Current | Active | |
| Projectblock Property Management Limited Director • Producer | 21 Oct 2003←8 Months→28 Jun 2004 | Active | |
| John Harrison Limited Director • Director | 27 Feb 2003←22 Years→Current | Active | |
Lightning And Thunder Records Limited Director • Company Director | 18 Nov 1998←12 Years→1 Aug 2011 | Dissolved | |
