| Company | Timeline | Status | |
| Rulebook Limited Director • Unreported | 14 Feb 2025←11 Months→Current | Active | |
| Kingslanguage Limited Secretary • Co Secretary | 5 Sep 2005←5 Months→13 Feb 2006 | Dissolved | |
| Kingslanguage Systems Limited Secretary • Co Secretary | 5 Sep 2005←5 Months→13 Feb 2006 | Dissolved | |
| Anglo European Training Centres Limited Director • Unreported | 21 Jan 2000←26 Years→21 Jan 2026 | Converted/Closed | |
| Langham Secretarial College Limited Director • Unreported | 21 Jan 2000←26 Years→Current | Active | |
| Quest Professional Limited Director • Unreported | 21 Jan 2000←26 Years→Current | Active | |
| University Tutorial Classes Limited Director • Unreported | 21 Jan 2000←24 Years→20 Feb 2024 | Dissolved | |
| Rulebook Limited Secretary • Unreported | 7 Oct 1998←27 Years→Current | Active | |
| Business Education Limited Director • Company Director | 31 Dec 1991←34 Years→Current | Active | |
| Business Education Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
