- CULLUM BESPOKE LTDActive - Proposal to Strike off- 09108200 - Incorporated on 30 June 2014 
- AUSTIN AUSTIN LIMITED- 15118667 - Incorporated on 6 September 2023 
- SUNNY SOUNDS LIMITED- 05036188 - Incorporated on 5 February 2004 
- CULLUMSWAY LIMITEDDisolved- 09450673 - Dissolved on 25 February 2025 
- CULLUM DETUNERS LIMITED- 00549824 - Incorporated on 26 May 1955 
- CULLUM STARR LIMITED- 00897550 - Incorporated on 7 February 1967 
- CULLUM ENTERPRISES LTDActive - Proposal to Strike off- 07532502 - Incorporated on 16 February 2011 
- EDWARD CULLUM LIMITED- 07781683 - Incorporated on 21 September 2011 
- ANNA CULLUM LIMITED- 11716900 - Incorporated on 7 December 2018 
- CULLUM LINE LIMITED- 12527444 - Incorporated on 20 March 2020 
- CULLUM AGRI LIMITED- 16027502 - Incorporated on 18 October 2024 
- CULLUM PROPERTY SERVICES LTD- 06226636 - Incorporated on 25 April 2007 
- KILBURN NIGHTINGALE ARCHITECTS LIMITED- 05855934 - Incorporated on 23 June 2006 
- ALEX CULLUM LIMITED- 14630031 - Incorporated on 1 February 2023 
- CULLUM PUBLISHING LIMITEDActive - Proposal to Strike off- 04556864 - Incorporated on 8 October 2002 
- CULLUM CONSULTING LTDDisolved- 14061869 - Dissolved on 7 May 2024 
- CULLUM TRUSTEES LIMITED- 01309517 - Incorporated on 20 April 1977 
- CULLUM CONSULTING LTDActive - Proposal to Strike off- 08845968 - Incorporated on 15 January 2014 
- CULLUM VENTURES LTDDisolved- 12638122 - Dissolved on 2 November 2021 
- CULLUM GROUP LIMITEDActive - Proposal to Strike off- 10842774 - Incorporated on 29 June 2017