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- KEN DUNCAN LTD- SC364445 - Incorporated on 24 August 2009 
- J DUNCAN PHB LTD- SC544521 - Incorporated on 5 September 2016 
- DUNCANFX LTDActive - Proposal to Strike off- 12027778 - Incorporated on 3 June 2019 
- DUNCAN INS LTD- 11792116 - Incorporated on 28 January 2019 
- DUNCAN S ORR LTDDissolved- SC234925 - Dissolved on 24 May 2016 
- DUNCAN INC LTDLiquidation- SC502040 - Incorporated on 31 March 2015 
- DUNCANHB LTDDisolved- 15458877 - Dissolved on 15 July 2025 
- DUNCAN FAM LTD- 15945721 - Incorporated on 9 September 2024 
- KENYON COURT PROPERTIES LIMITED- 04553195 - Incorporated on 3 October 2002 
- L DUNCAN LIMITEDActive - Proposal to Strike off- 05547683 - Incorporated on 26 August 2005 
- UNIQUE REBELS UNION LTD- 07799711 - Incorporated on 6 October 2011 
- LYN DUNCAN LTDActive - Proposal to Strike off- SC414003 - Incorporated on 6 January 2012 
- DUNCAN PLACE- CS003217 - Incorporated on 25 January 2018 
- MAX DUNCAN LTD- 12123518 - Incorporated on 26 July 2019 
- DUNCANMC 123 LTD- 12083731 - Incorporated on 3 July 2019 
- TEASEL DUNCANActive - Proposal to Strike off- 07625451 - Incorporated on 6 May 2011 
- DUNCAN TABORSActive - Proposal to Strike off- 07630110 - Incorporated on 11 May 2011 
- DUNCAN VANTAGE- 16495252 - Incorporated on 4 June 2025 
- MORRIS & MORRIS ACCOUNTANCY LIMITED- 11610638 - Incorporated on 8 October 2018