| Company | Timeline | Status | |
| Titlington Mount Management Company Limited Director • Property Developer | 3 Apr 2007←1 Year 2 Months→30 Jun 2008 | Active | |
| The People's Kitchen Limited Director • Retired Director | 11 Jan 2007←1 Year 8 Months→18 Sep 2008 | Active | |
| The Hartlaw Management Company Limited Director • Director | 26 Jun 2003←3 Years→31 Aug 2006 | Active | |
| WSP Buildings Limited Director • Consulting Engineer | 1 Apr 1998←9 Months→31 Dec 1998 | Dissolved | |
WSP North Limited Director • Director | 1 Jan 1997←3 Years→31 Aug 2000 | Dissolved | |
| WSP Buildings Limited Director • Consulting Engineer | 21 Jun 1995←2 Years 1 Month→31 Jul 1997 | Dissolved | |
WSP James Limited Director • Consulting Civil Engineer | 14 Nov 1991←7 Years→31 Dec 1998 | Dissolved | |
