| Company | Timeline | Status | |
| 157 Porchester Terrace North (W2) Management Co. Ltd Director • Royal Household | 1 Mar 2012←1 Year 7 Months→26 Oct 2013 | Active | |
| Silttek Limited Director • Crown Servant | 1 Jul 2007←2 Years→16 Jul 2009 | Dissolved | |
Solarstar Technology Limited Director • Crown Servant | 1 Jan 2007←1 Year 9 Months→30 Sep 2008 | Dissolved | |
