| Company | Timeline | Status | |
| NST (UK) Limited Director • Educational Consultant & Publi | 29 Jan 2004←21 Years→Current | Active | |
| International Schools Limited Director • Educational Consultant | 7 Sep 1999←24 Years→3 Oct 2023 | Dissolved | |
| Which School Limited Director • Company Director | 6 Feb 1991←30 Years→4 Oct 2021 | Active | |
| Which School Limited Secretary • Unreported | 6 Feb 1991←2 Years 6 Months→16 Aug 1993 | Active | |
