| Company | Timeline | Status | |
| Hamilton Billiards & Games Co Ltd Secretary • Unreported | 30 Jul 2003←3 Years→13 Aug 2006 | Active | |
| Ability Engineering Limited Secretary • Unreported | 17 Feb 1999←7 Years→1 Jun 2006 | Active | |
| Forza Projects Limited Secretary • Unreported | 6 Mar 1995←8 Years→8 May 2003 | Dissolved | |
| The Coppice (Harpenden) Residents Association Limited Secretary • Unreported | 15 Mar 1994←12 Years→29 Aug 2006 | Active | |
| Colour Booth Limited Secretary • Unreported | 20 Dec 1991←2 Years 2 Months→7 Mar 1994 | Active | |
| Grimwade Contracting Limited Secretary • Unreported | 14 Nov 1991←14 Years→22 May 2006 | Active | |
