| Company | Timeline | Status | |
| 14 Chalcot Square Management Co. Limited Secretary • Managing Director | 7 Jul 2005←1 Month→25 Aug 2005 | Dissolved | |
| Advertising Research Consortium Limited Director • Professor | 22 Feb 2001←24 Years→23 Sep 2025 | Dissolved | |
| 14 Chalcot Square Management Co. Limited Director • College Lecturer | 12 Mar 1991←14 Years→25 Aug 2005 | Dissolved | |
