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- B K FARRELLY LTDActive - Proposal to Strike off- 10770793 - Incorporated on 15 May 2017 
- FV FARRELL LTDDisolved- 13627903 - Dissolved on 21 February 2023 
- RM FARRELL LTDDisolved- 13952268 - Dissolved on 26 March 2024 
- MR ROBERTS (MANCHESTER) LIMITEDDisolved- 12014272 - Dissolved on 20 August 2024 
- DUNCAN 50 LTDActive - Proposal to Strike off- 09345360 - Incorporated on 8 December 2014 
- N L A DUNCAN LTD- 09024084 - Incorporated on 6 May 2014 
- DUNCAN 52 LTDActive - Proposal to Strike off- 11050321 - Incorporated on 7 November 2017 
- S.E. DUNCAN LTD- SC432407 - Incorporated on 12 September 2012 
- DUNCAN 123 LTDActive - Proposal to Strike off- 08955770 - Incorporated on 24 March 2014 
- DUNCAN 444 LTDActive - Proposal to Strike off- 11698545 - Incorporated on 27 November 2018 
- DUNCAN 444 LTDActive - Proposal to Strike off- 09826488 - Incorporated on 15 October 2015 
- DUNCAN 524. LTDActive - Proposal to Strike off- 11060720 - Incorporated on 13 November 2017 
- A K DUNCAN LTDDissolved- 04439595 - Dissolved on 29 December 2009 
- E.J. DUNCAN LTD- 03221200 - Incorporated on 5 July 1996 
- A K DUNCAN (2008) LTD- 06659970 - Incorporated on 30 July 2008 
- DUNCAN 121 LTDDissolved- 06768273 - Dissolved on 20 July 2010 
- VELOCITY ELECTRICAL SURREY LTD- 13064923 - Incorporated on 6 December 2020 
- G S DUNCAN LTD.- SC253809 - Incorporated on 5 August 2003 
- P J DUNCAN LTDDissolved- 06332194 - Dissolved on 28 October 2014