| Company | Timeline | Status | |
Blauson Investment Company Limited Director • Publisher | 18 May 1994←19 Years→30 Jun 2013 | Dissolved | |
B.L.A. Publishing Limited Director • Publisher | 8 Apr 1991←24 Years→20 Oct 2015 | Dissolved | |
Ling Kee (U.K.) Limited Director • Publisher | 8 Apr 1991←21 Years→20 Nov 2012 | Dissolved | |
| Ward Lock Educational Company Limited Director • Publisher | 8 Apr 1991←32 Years→1 Jan 2024 | Dissolved | |
