| Company | Timeline | Status | |
| Castle Design Limited Director • Unreported | 2 Apr 2024←1 Year 7 Months→Current | Active | |
| Castle Building Services (South) Limited Director • Unreported | 29 Sep 2016←9 Years→Current | Active | |
| Castle Green (Services) Limited Director • Director | 30 May 2014←10 Years→31 Dec 2024 | Dissolved | |
| Castle Building Services (North) Limited Director • Director | 30 May 2014←6 Years→30 Sep 2020 | Dissolved | |
| Castle Green (Services) Limited Director • Director | 30 May 2014←10 Years→5 Sep 2024 | Dissolved | |
| The Castle Building Services Organisation Limited Director • Unreported | 14 Dec 2012←12 Years→Current | Active | |
Castle Capital Projects Limited Director • Director | 2 Jan 2008←12 Years→21 Apr 2020 | Dissolved | |
| Castle Property Management And Building Services Limited Director • Operations Director | 1 Oct 2002←22 Years→22 Apr 2025 | Dissolved | |
