| Company | Timeline | Status | |
| The Tony Buzan Group Limited Director • Author | 9 Jan 2023←2 Years 9 Months→Current | Active | |
| The Tony Buzan Group Limited Director • Author | 9 Jan 2023←2 Years 6 Months→21 Jul 2025 | Active | |
| Tony Buzan International Limited Director • Teacher | 1 Jan 2020←5 Years→Current | Active | |
| Tony Buzan International Limited Director • Teacher | 1 Jan 2020←5 Years→21 Jul 2025 | Active | |
| World Memory Championships International Limited Director • Teacher (retired) | 17 Jan 2018←5 Years→30 Jun 2023 | Active | |
| Outside In Pathways Ltd Director • None | 2 Dec 2014←10 Years→Current | Active | |
| Outside In Pathways Ltd Director • None | 2 Dec 2014←10 Years→29 Jul 2025 | Active | |
| The Brain Trust Limited Director • Teacher (retired) | 12 May 2012←13 Years→Current | Active | |
| The Brain Trust Limited Director • Teacher (retired) | 12 May 2012←13 Years→21 Jul 2025 | Active | |
