- IAN CALLUM DESIGN LTDDisolved- 07577636 - Dissolved on 30 May 2023 
- CALLUM J WATT LIMITEDDisolved- SC470045 - Dissolved on 8 August 2023 
- MARCUS CALLUM PTY LTDActive - Proposal to Strike off- 11913450 - Incorporated on 29 March 2019 
- CALLUM WILLIAMS 6017 LTDActive - Proposal to Strike off- 10282989 - Incorporated on 16 July 2016 
- MAYHEW CALLUM LIMITEDDisolved- 04477011 - Dissolved on 19 July 2022 
- CALLUM CONSTRUCTION LIMITED- 06940518 - Incorporated on 22 June 2009 
- CALLUM CLARK LIMITEDLiquidation- 06862243 - Incorporated on 28 March 2009 
- CALLUM TURNER LIMITED- 09287626 - Incorporated on 30 October 2014 
- CALLUM APPS LIMITEDActive - Proposal to Strike off- 08727638 - Incorporated on 10 October 2013 
- CALLUM WILLIAMSON LIMITED- SC471194 - Incorporated on 28 February 2014 
- CALLUM QUINN LIMITEDActive - Proposal to Strike off- 09009574 - Incorporated on 24 April 2014 
- CALLUM ANDERSON LIMITEDActive - Proposal to Strike off- SC525500 - Incorporated on 29 January 2016 
- CALLUM LENNON LIMITEDActive - Proposal to Strike off- 10808876 - Incorporated on 8 June 2017 
- CALLUM BLACK LIMITEDDisolved- SC617862 - Dissolved on 20 May 2025 
- CALLUM O'SULLIVAN LTDDisolved- 11862433 - Dissolved on 8 August 2023 
- CALLUM QUICK LIMITEDActive - Proposal to Strike off- 10103675 - Incorporated on 5 April 2016 
- CALLUM MOPPET LIMITEDActive - Proposal to Strike off- 11169421 - Incorporated on 25 January 2018 
- CALLUM COMPOSITES LIMITEDActive - Proposal to Strike off- 10595678 - Incorporated on 1 February 2017 
- CALLUM CONSTRUCTION LTDDisolved- 14597439 - Dissolved on 4 March 2025 
- FAST CALLUM LIMITEDDisolved- SC770821 - Dissolved on 29 October 2024