| Company | Timeline | Status | |
| Castle Property Rental Limited Director • Director | 3 Nov 2006←3 Years→31 Jul 2010 | Active | |
| Castle Homes (Lincolnshire) Limited Director • Administrator | 23 Mar 2003←21 Years→4 Feb 2025 | Dissolved | |
| Castle Building (Lincoln) Limited Director • Administrator | 23 Mar 2003←3 Years→7 Nov 2006 | Dissolved | |
