- OZ QUINN LTDDisolved- 13728474 - Dissolved on 17 June 2025 
- QUINN BC LTD- 14744188 - Incorporated on 21 March 2023 
- ZO QUINN LTDDisolved- 14636606 - Dissolved on 15 July 2025 
- F.J.QUINN & CO. LTD- NI703280 - Incorporated on 17 October 2023 
- QUINN-QA LTDActive - Proposal to Strike off- 07742099 - Incorporated on 16 August 2011 
- QUINN & CO LTD- 07598902 - Incorporated on 11 April 2011 
- QUINNY LTDDisolved- 09186975 - Dissolved on 18 June 2024 
- PG QUINN LTD- NI045988 - Incorporated on 28 March 2003 
- DC QUINN LTDDisolved- 13706280 - Dissolved on 14 March 2023 
- KF QUINN LTDDisolved- 13758751 - Dissolved on 29 April 2025 
- QUINN FARMS LTD- NI695151 - Incorporated on 6 March 2023 
- E QUINN CIVILS LTD- NI045350 - Incorporated on 3 February 2003 
- MAURICE STAFF LTDDisolved- 09713304 - Dissolved on 1 November 2022 
- MAURICE HENRY LTDDissolved- 03868787 - Dissolved on 13 August 2011 
- MAVIS MAURICE LTDActive - Proposal to Strike off- 14903309 - Incorporated on 30 May 2023 
- MAURICE JAMES LTD- 16158837 - Incorporated on 2 January 2025 
- T MAURICE REGEN LTD- 16426969 - Incorporated on 2 May 2025 
- T QUINN AND SON LIMITEDDisolved- 02007720 - Dissolved on 7 December 2021 
- MOSS LANE MOTORS LIMITEDActive - Proposal to Strike off- 08293239 - Incorporated on 14 November 2012 
- MAURICE PRICE LTD- 10253153 - Incorporated on 27 June 2016