- CALLUM TRADERS LIMITEDDisolved- 07780934 - Dissolved on 22 February 2022 
- CALLUM BATTERS LIMITEDDissolved- 03436955 - Dissolved on 8 January 2013 
- CALLUM MCKINNELL LIMITEDLiquidation- 06160247 - Incorporated on 14 March 2007 
- CALLUM ENGINEERING LTD- 05269174 - Incorporated on 25 October 2004 
- CALLUM DAVIES LIMITEDActive - Proposal to Strike off- 08995166 - Incorporated on 14 April 2014 
- CALLUM STEVENS LIMITEDActive - Proposal to Strike off- 09029689 - Incorporated on 8 May 2014 
- CALLUM BARRETT LIMITEDDissolved- 08796024 - Dissolved on 16 September 2014 
- CALLUM CREATIVE LTD- 12749950 - Incorporated on 17 July 2020 
- CALLUM MELLY LIMITEDActive - Proposal to Strike off- 10087718 - Incorporated on 29 March 2016 
- CALLUM MACKLAM LIMITEDDisolved- 12091076 - Dissolved on 4 February 2025 
- CALLUM WARD LIMITEDLiquidation- 11080635 - Incorporated on 23 November 2017 
- CALLUM MACDONALD LIMITEDActive - Proposal to Strike off- SC606875 - Incorporated on 31 August 2018 
- CALLUM MCDONNELL LTD- 13334692 - Incorporated on 14 April 2021 
- CALLUM GEORGE LIMITEDDisolved- 13935828 - Dissolved on 9 April 2024 
- CALLUM FRAMES LIMITED- 14009521 - Incorporated on 29 March 2022 
- CALLUM EARNSHAW LTDActive - Proposal to Strike off- 15676421 - Incorporated on 24 April 2024 
- CALLUM HOLDINGS LIMITEDActive - Proposal to Strike off- 15690623 - Incorporated on 29 April 2024 
- COE-CALLUM LIMITEDActive - Proposal to Strike off- 11015839 - Incorporated on 17 October 2017 
- CALLUM MANNING LTDDisolved- 12968555 - Dissolved on 28 June 2022 
- CALLUM TUNMORE LTD- 13992182 - Incorporated on 21 March 2022