- DUNCAN FAM LTD- 15945721 - Incorporated on 9 September 2024 
- PETER FARRELL LTDDissolved- 04190590 - Dissolved on 14 June 2011 
- BAKER FARRELL LTDDissolved- 06918921 - Dissolved on 7 December 2010 
- JOHN F FARRELLY LTDActive - Proposal to Strike off- 08900197 - Incorporated on 18 February 2014 
- RONAN FARRELL LTDDissolved- 08477059 - Dissolved on 19 May 2015 
- M & C FARRELL LIMITED- 09951307 - Incorporated on 14 January 2016 
- J&J O'FARRELL LIMITEDDisolved- 10618759 - Dissolved on 3 June 2025 
- FARRELL 66 LIMITEDDisolved- 14038851 - Dissolved on 6 June 2023 
- 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 
- P R FARRELL LIMITED- 14745878 - Incorporated on 21 March 2023 
- P. FARRELL LIMITED- NI046133 - Incorporated on 10 April 2003 
- A D & C FARRELL LIMITED- 03430757 - Incorporated on 8 September 1997 
- FARRELL & CLARK LLP- OC312865 - Incorporated on 20 April 2005 
- TOMMY O'FARRELL LTDDissolved- 06213333 - Dissolved on 17 August 2010