| Company | Timeline | Status | |
| T Coleborn And Son Limited Director • Builder  | 10 Aug 1998←13 Years→13 Sep 2011  | Active  | |
| Charles Winter (Portsmouth) Limited Director • Builder  | 7 Sep 1992←19 Years→13 Sep 2011  | Active  | |
| Charles Winter (Portsmouth) Limited Secretary • Unreported  | 7 Sep 1992←19 Years→14 Sep 2011  | Active  | |
