| Company | Timeline | Status | |
| Youth Lifelines Company Limited Secretary • Unreported | 12 Sep 2003←2 Years 9 Months→16 Jun 2006 | Active | |
| Electrical Contractors Association Limited(The) Director • Electrical Engineer | 25 Jul 1992←3 Years→24 Jan 1996 | Active | |
| Compex Certification Limited Director • Chartered Engineer | 18 Apr 1992←2 Years 1 Month→1 Jun 1994 | Active | |
D.Howorth & Son Limited Director • Electrical Engineer | 28 Aug 1991←8 Years→26 Apr 2000 | Active | |
| Talentum Developments Limited Director • Electrical Engineer | 27 Aug 1991←7 Years→30 Jul 1999 | Dissolved | |
| Corlett Electrical Engineering Company (1981) Limited Director • Company Director | 12 Jul 1991←4 Years→31 Jul 1995 | Active | |
| Bluesky Trustee Company Ltd Director • Unreported | 1 Jan 1970←26 Years→23 May 1996 | Active | |
