| Company | Timeline | Status | |
| Oakdell Limited Director • Groundwork Contractor | 19 May 1995←6 Years→13 May 2002 | Active | |
| Kearns Land Limited Director • Groundwork Contractor | 12 Mar 1992←10 Years→13 May 2002 | Active | |
| K & K (St Albans) Limited Director • Groundwork Contractor | 24 Jul 1991←10 Years→13 May 2002 | Dissolved | |
| Kearns Plant Limited Director • Groundwork Contractor | 18 Jul 1991←10 Years→13 May 2002 | Active | |
| Hamilton Homes (St Albans) Limited Director • Groundwork Contractor | 12 Jun 1991←10 Years→13 May 2002 | Liquidation | |
