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- PJ QUINN LTDActive - Proposal to Strike off- NI069571 - Incorporated on 11 June 2008 
- QUINN CABS- SL003391 - Incorporated on 22 October 1998 
- BY QUINN LTDDisolved- 12508375 - Dissolved on 28 June 2022 
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- NB QUINN LTD- 16188407 - Incorporated on 16 January 2025 
- S. O'CONNOR LTDDissolved- NI047145 - Dissolved on 5 February 2019 
- M J O'CONNOR LTDActive - Proposal to Strike off- 09701162 - Incorporated on 24 July 2015 
- T O CONNOR LTDDisolved- 10679178 - Dissolved on 9 November 2021 
- A CONNOR LTDActive - Proposal to Strike off- 10276864 - Incorporated on 13 July 2016 
- J F CONNOR LTDDisolved- 12335138 - Dissolved on 6 September 2022 
- P J CONNOR LTD- 13046843 - Incorporated on 27 November 2020 
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- JOHN QUINN AND SONS CAR TRANSPORT LIMITED- 02698122 - Incorporated on 18 March 1992 
- JOHN O'CONNOR FUNERAL DIRECTORS LIMITED- SC681928 - Incorporated on 25 November 2020 
- AF QUINN LTDActive - Proposal to Strike off- 09219951 - Incorporated on 16 September 2014 
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- AV QUINN LTDDisolved- 13641457 - Dissolved on 11 April 2023 
- AT QUINN LTD- 16305462 - Incorporated on 10 March 2025