- CALUM DON ANTIQUES LIMITED- SC784436 - Incorporated on 30 September 2023 
- HIGHLAND LEGACY LIMITEDDisolved- SC390272 - Dissolved on 9 May 2023 
- FORBES CALUM DEVELOPMENTS LIMITED- 06856563 - Incorporated on 24 March 2009 
- CALUM C PHOTOGRAPHY LIMITED- SC193107 - Incorporated on 3 February 1999 
- CALUM COOMBER SERVICES LTDActive - Proposal to Strike off- 09152451 - Incorporated on 29 July 2014 
- CALUM WHYTE ENGINEERING LIMITEDActive - Proposal to Strike off- SC443275 - Incorporated on 21 February 2013 
- CALUM JAMES BOYLE LIMITED- 12061551 - Incorporated on 20 June 2019 
- CALUM COWIE CONSULTANCY LTDDisolved- SC588071 - Dissolved on 27 December 2022 
- CALUM TORBETT CREATIVE LTD- 15554371 - Incorporated on 11 March 2024 
- CALUM WALKER CREATIVE LIMITED- 15917089 - Incorporated on 27 August 2024 
- CALUM LANGLEY CREATIVE LTD- 16509046 - Incorporated on 10 June 2025 
- CALUMIA FAST FOOD LIMITED- SC454824 - Incorporated on 18 July 2013 
- CALUMET SERVICES LIMITED- 06551414 - Incorporated on 1 April 2008 
- EUROPEAN IMAGING GROUP LIMITED- 01255244 - Incorporated on 20 April 1976 
- CALUMET (HOLDINGS) LIMITED- 09348369 - Incorporated on 10 December 2014 
- CALUMA INVESTMENTS LIMITEDLiquidation- 08479311 - Incorporated on 8 April 2013 
- CALUMETITE CONTRACTING LTDActive - Proposal to Strike off- 10434890 - Incorporated on 19 October 2016 
- CALUM J WILTSHIRE BWK LIMITEDDisolved- 13656227 - Dissolved on 11 July 2023 
- CALUMS CURIOSITIES LIMITED- SC760655 - Incorporated on 1 March 2023 
- CALUMET RESIDENTS LIMITED- 01930926 - Incorporated on 16 July 1985