| Company | Timeline | Status | |
| Charles Technical Services Limited Director • Consulting Engineer  | 28 Oct 2005←15 Years→12 Jan 2021  | Dissolved  | |
| Charles Technical Services Limited Secretary • Consulting Engineer  | 28 Oct 2005←15 Years→12 Jan 2021  | Dissolved  | |
| Asuk Realisations Limited Director • Consulting Engineer  | 4 Dec 2001←7 Years→13 Dec 2008  | Dissolved  | |
