| Company | Timeline | Status | |
| Dyson Properties Limited Director • Director | 13 Oct 2005←20 Years→Current | Active | |
| Princes Mews Investments Limited Secretary • Unreported | 25 Jun 2002←16 Years→1 Jul 2018 | Active | |
| Princes Mews Investments Limited Director • University Staff | 26 Jun 2000←25 Years→Current | Active | |
| Joyceton Investments Limited Director • University Staff | 26 Jun 2000←25 Years→Current | Active | |
| Princes Mews Investments Limited Director • University Staff | 26 Jun 2000←24 Years→26 Feb 2025 | Active | |
| Joyceton Investments Limited Director • University Staff | 26 Jun 2000←24 Years→26 Feb 2025 | Active | |
Northwood College Educational Foundation Limited Director • University Lecturer | 1 Sep 1989←19 Years→29 Jun 2009 | Dissolved | |
