| Company | Timeline | Status | |
| The Soundzone Director • Freelance Lecturer & Researcher | 24 May 2004←16 Years→16 Mar 2021 | Dissolved | |
| Sigma Two Limited Director • Lecturer | 2 Aug 1998←27 Years→Current | Active | |
| Systems And Complexity In Organisation Ltd Director • Lecturer | 27 Jan 1998←14 Years→16 Apr 2012 | Active | |
