- CALUM SINCLAIR LIMITED- SC598903 - Incorporated on 4 June 2018 
- CALUM CONTRACTING LTDActive - Proposal to Strike off- SC607716 - Incorporated on 10 September 2018 
- CALUM BATHO LIMITEDDisolved- SC663713 - Dissolved on 5 October 2021 
- CALUM FINLAY LIMITED- 09794383 - Incorporated on 25 September 2015 
- CALUM MACDONALD LTDDisolved- SC588529 - Dissolved on 18 June 2024 
- CALUM MCGILLIVRAY LTDActive - Proposal to Strike off- 11270244 - Incorporated on 22 March 2018 
- CALUM STORRIE LIMITEDDissolved- 05398497 - Dissolved on 6 July 2021 
- CALUM MORRISON LIMITED- SC731241 - Incorporated on 3 May 2022 
- CALUM PROPERTIES LTD- 16465848 - Incorporated on 21 May 2025 
- CALUMITE LIMITED- 00948298 - Incorporated on 19 February 1969 
- CALUM KERR LIMITEDDisolved- SC702574 - Dissolved on 8 August 2023 
- CALUM INNES LIMITEDDissolved- 07479692 - Dissolved on 16 October 2012 
- CALUM MACLEOD LIMITEDActive - Proposal to Strike off- 08474373 - Incorporated on 5 April 2013 
- CALUM ERRICKSON LIMITEDDisolved- 11383598 - Dissolved on 26 October 2021 
- CALUM MCPHAIL LIMITEDDissolved- 10367577 - Dissolved on 15 October 2019 
- CALUM BARBER LIMITED- 16567537 - Incorporated on 8 July 2025 
- ROAD TO CALUM LIMITEDActive - Proposal to Strike off- 08113301 - Incorporated on 20 June 2012 
- CALUM KIPPEN JOINER AND CONTRACTOR LIMITED- SC334027 - Incorporated on 16 November 2007 
- SMALLMAN LUBRICANTS (HEREFORD) LIMITEDDissolved- 01057134 - Dissolved on 22 January 2013 
- CALUMPANG LIMITED- 09309939 - Incorporated on 13 November 2014