- CALLUM BEATTIE LTD- 16236880 - Incorporated on 7 February 2025 
- UNIQUE REBELS UNION LTD- 07799711 - Incorporated on 6 October 2011 
- CHINA MUSIC AUDIT LTD.Disolved- 14712586 - Dissolved on 4 June 2024 
- THE MR AND MRS EMPIRE LTD- 15603811 - Incorporated on 29 March 2024 
- DCM CONTRACTS (NI) LIMITED- NI642115 - Incorporated on 11 November 2016 
- MR & MRS NIK LTD- 09626652 - Incorporated on 6 June 2015 
- MR AND MRS A LTDActive - Proposal to Strike off- 11538245 - Incorporated on 28 August 2018 
- CALLUM E-COMMERCE LTDDisolved- 12508746 - Dissolved on 13 June 2023 
- CALLUM GOUGH RAIL LTDDisolved- 12078007 - Dissolved on 30 November 2021 
- CALLUMLOC LIMITEDDisolved- 14825369 - Dissolved on 1 October 2024 
- CALLUMS TRAFFIC LTD- 16472338 - Incorporated on 23 May 2025 
- CALLUM MAXWELL LIMITEDLiquidation- 06689667 - Incorporated on 4 September 2008 
- CALLUM CATERING LIMITEDActive - Proposal to Strike off- 08153097 - Incorporated on 23 July 2012 
- CALLUM ROBERTS LIMITEDDisolved- 04450205 - Dissolved on 20 November 2024 
- BYRON CALLUM LIMITEDActive - Proposal to Strike off- SC367605 - Incorporated on 28 October 2009 
- CALLUM SOLUTIONS LTD- 08521253 - Incorporated on 9 May 2013 
- CALLUM SALT LIMITEDActive - Proposal to Strike off- 11642959 - Incorporated on 25 October 2018 
- CALLUM BOYNE LIMITEDActive - Proposal to Strike off- 11341667 - Incorporated on 2 May 2018 
- CALLUM CAMPBELL LIMITED- 10139831 - Incorporated on 21 April 2016 
- CALLUM CAPPLEMAN LIMITEDActive - Proposal to Strike off- 10251348 - Incorporated on 25 June 2016