- CASTLETON GROUP LIMITED- 06560622 - Incorporated on 9 April 2008 
- CASTLETON BLOODSTOCK LIMITEDDissolved- 09096228 - Dissolved on 4 June 2019 
- CASTLETON MARKET LIMITEDActive - Proposal to Strike off- SC481280 - Incorporated on 2 July 2014 
- CASTLETON INSTALLATIONS LIMITED- 10272390 - Incorporated on 11 July 2016 
- CASTLETON INTERNATIONAL LIMITEDActive - Proposal to Strike off- 11727123 - Incorporated on 14 December 2018 
- CASTLETON SILVER BAND- CE016835 - Incorporated on 15 March 2019 
- CASTLETON ASSETS LTD- 12066190 - Incorporated on 24 June 2019 
- CASTLETON VILLAS LIMITED- 13754121 - Incorporated on 19 November 2021 
- CASTLETON ACCESS LIMITED- 16222752 - Incorporated on 1 February 2025 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- CASTLETON TECHNOLOGY LIMITED- 03336134 - Incorporated on 19 March 1997 
- CASTLETON TEXTILES LIMITED- 02677104 - Incorporated on 13 January 1992 
- CASTLETON ESTATES LIMITED- NI025972 - Incorporated on 9 October 1991 
- CHF CASTLETON LIMITEDLiquidation- 06296283 - Incorporated on 28 June 2007 
- CASTLETON PROPERTIES LIMITED- 02190787 - Incorporated on 10 November 1987 
- CASTLETON ENTERPRISES LIMITEDDissolved- 07191096 - Dissolved on 4 October 2011 
- CASTLETON YORKE LIMITEDDissolved- 07600033 - Dissolved on 1 May 2012 
- CASTLETON HEALTH LIMITEDActive - Proposal to Strike off- 07644404 - Incorporated on 23 May 2011 
- CASTLETON MORRISON LTD- 07656623 - Incorporated on 2 June 2011 
- CASTLETON CONTRACTS LIMITEDActive - Proposal to Strike off- 08242258 - Incorporated on 5 October 2012