- EMILY EXCELS LTDDisolved- 14273825 - Dissolved on 2 January 2024 
- EMILY WRIGHT LTDDisolved- 13746491 - Dissolved on 30 April 2024 
- EMILYY LIMITEDDisolved- 14646688 - Dissolved on 24 December 2024 
- O'CONNOR PROPERTIES LTD- 03601535 - Incorporated on 21 July 1998 
- SHANE O'CONNOR LTDDissolved- 06343736 - Dissolved on 30 March 2010 
- MICHAEL O'CONNOR LIMITEDLiquidation- 01021327 - Incorporated on 17 August 1971 
- O'CONNOR PROJECTS LTD.- 06278829 - Incorporated on 13 June 2007 
- O'CONNOR BUILDING LTDDisolved- 03976123 - Dissolved on 24 September 2024 
- O'CONNOR GOSS LIMITEDActive - Proposal to Strike off- 04972223 - Incorporated on 21 November 2003 
- DENIS O'CONNOR LIMITEDActive - Proposal to Strike off- 02857853 - Incorporated on 28 September 1993 
- O'CONNOR JOINERY LIMITEDDissolved- 06434640 - Dissolved on 24 May 2011 
- O'CONNOR BROS LIMITEDDissolved- NI045747 - Dissolved on 26 July 2013 
- O'CONNOR SPORTS LIMITEDActive - Proposal to Strike off- 07447647 - Incorporated on 23 November 2010 
- PHINNAEUS O'CONNOR LIMITEDActive - Proposal to Strike off- 07972413 - Incorporated on 1 March 2012 
- DR. PATRICK O'CONNOR- NI605378 - Incorporated on 3 December 2010 
- O'CONNOR (DEVELOPMENTS) LIMITED- 04328056 - Incorporated on 23 November 2001 
- SHEILA O'CONNOR LIMITEDActive - Proposal to Strike off- 03542675 - Incorporated on 8 April 1998 
- O'CONNOR INVESTIGATIONS LIMITEDDisolved- 09155581 - Dissolved on 18 January 2022 
- O'CONNOR INTL LIMITEDActive - Proposal to Strike off- 08304906 - Incorporated on 23 November 2012 
- O'CONNOR GROUP LIMITED- 09940856 - Incorporated on 7 January 2016