- RYAN REDFERN LTDActive - Proposal to Strike off- 11167039 - Incorporated on 24 January 2018 
- CALLUM COX LTDActive - Proposal to Strike off- 10830523 - Incorporated on 22 June 2017 
- SPS PROPERTY GROUP LIMITEDActive - Proposal to Strike off- 11854477 - Incorporated on 1 March 2019 
- SMARTBUILD BUILDING CONTRACTORS LTDLiquidation- 07370505 - Incorporated on 9 September 2010 
- OMNIS AGGREGATES LIMITEDActive - Proposal to Strike off- 08714160 - Incorporated on 1 October 2013 
- JOHN REDFERN LTD- 07219810 - Incorporated on 12 April 2010 
- REDFERN CARS LTDActive - Proposal to Strike off- 10348543 - Incorporated on 26 August 2016 
- SPORTS SQUAD LTD- SC450328 - Incorporated on 17 May 2013 
- JOHN CALLUM LTD.- SC196483 - Incorporated on 24 May 1999 
- CALLUM HART LTDActive - Proposal to Strike off- 09628553 - Incorporated on 8 June 2015 
- CALLUM LIMB LTD- 11789285 - Incorporated on 25 January 2019 
- CALLUM ROSS LTDDisolved- 14130411 - Dissolved on 29 August 2023 
- CARL DACK LTD.Active - Proposal to Strike off- 07042266 - Incorporated on 14 October 2009 
- CALLUM SIGN SOLUTIONS LIMITED- 03650725 - Incorporated on 16 October 1998 
- BTC DEVELOPMENTS LIMITED- 09965526 - Incorporated on 22 January 2016 
- 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