- CALLUM RAIL LTDActive - Proposal to Strike off- 09975131 - Incorporated on 28 January 2016 
- FBA BY CALLUM LTDDisolved- 13750711 - Dissolved on 16 May 2023 
- CALLUM ROSS LTD- 15760052 - Incorporated on 4 June 2024 
- REDFERN COST & CONSTRUCTION MANAGEMENT LTD- 11795686 - Incorporated on 29 January 2019 
- CALLUMHYNES LTDDisolved- 12249099 - Dissolved on 13 May 2025 
- CALLUMJOSEPHPROPERTIES LTDDisolved- 15240302 - Dissolved on 1 April 2025 
- CALLUM BERRY LTD- 16355151 - Incorporated on 31 March 2025 
- S.E.REDFERN LIMITED- 00062126 - Incorporated on 16 May 1899 
- T C REDFERN LIMITED- 03749505 - Incorporated on 8 April 1999 
- T & M REDFERN LIMITEDActive - Proposal to Strike off- 04465800 - Incorporated on 20 June 2002 
- D. REDFERN LIMITED- 07618394 - Incorporated on 28 April 2011 
- REDFERN LEGAL LLP- OC326877 - Incorporated on 17 March 2007 
- REDFERN LOFTS LTDActive - Proposal to Strike off- 11054020 - Incorporated on 8 November 2017 
- A J REDFERN LIMITED- 08200669 - Incorporated on 4 September 2012 
- SMITH & REDFERN LTD- 16001999 - Incorporated on 7 October 2024 
- CALLUMAMZ LTDDisolved- 14406383 - Dissolved on 26 December 2023 
- CALLUMSTP LTDDisolved- 14705691 - Dissolved on 22 August 2023 
- JACK CALLUM LTD- 15368944 - Incorporated on 22 December 2023 
- CALLUM WOOD LTDDisolved- 11305716 - Dissolved on 10 October 2023 
- CALLUM JUDD 5162 LTDActive - Proposal to Strike off- 10174697 - Incorporated on 11 May 2016