- CALUM BIGGS LTD- 14605546 - Incorporated on 20 January 2023 
- CALUM YOUNG LTDDisolved- SC662424 - Dissolved on 12 October 2021 
- CALUM PONTO LTDActive - Proposal to Strike off- 11896611 - Incorporated on 21 March 2019 
- CALUM LEWIS LLP- OC358026 - Incorporated on 20 September 2010 
- CALUM AUDIO LTDDisolved- 13479601 - Dissolved on 1 July 2025 
- CALUM123 LIMITEDActive - Proposal to Strike off- 07711843 - Incorporated on 20 July 2011 
- COUNTRY & LEISURE UK LIMITED- 04683236 - Incorporated on 2 March 2003 
- CALUMCHADWICK LTDActive - Proposal to Strike off- 08786090 - Incorporated on 21 November 2013 
- CALUM CURTIS LTD- 09416202 - Incorporated on 2 February 2015 
- CALUM ROBBIE 4855 LTDActive - Proposal to Strike off- 10147097 - Incorporated on 26 April 2016 
- CALUMPIANO LTDDisolved- 11151718 - Dissolved on 12 April 2022 
- CALUM WATSON LTD- 14243669 - Incorporated on 19 July 2022 
- CALUM GIBSON LTDActive - Proposal to Strike off- SC802289 - Incorporated on 8 March 2024 
- CALUM LEWIS (UK) LTDDissolved- 07361359 - Dissolved on 20 May 2014 
- CALUMCLARK LTDDisolved- SC703464 - Dissolved on 5 December 2023 
- CALUMNICAP LTD- 11471821 - Incorporated on 18 July 2018 
- CALUM MOYLAN LTDActive - Proposal to Strike off- 11707895 - Incorporated on 3 December 2018 
- CALUM ROBSON LTDLiquidation- 06750787 - Incorporated on 17 November 2008 
- CALUMA LIMITEDDissolved- 11111002 - Dissolved on 15 October 2019 
- CALUMORDWORKS LTDDisolved- 13937335 - Dissolved on 25 July 2023