- O'NEILL & O'NEILL ACCOUNTING LTDDissolved- 08013360 - Dissolved on 12 November 2013 
- MR LEWIS JAMES ALLEN LIMITEDDisolved- 15355999 - Dissolved on 20 May 2025 
- EQUITTEX LIMITEDDisolved- 05674273 - Dissolved on 30 May 2023 
- DAUBENEY & CO. LTD- 05121103 - Incorporated on 6 May 2004 
- MIDAS VIP LIMITEDActive - Proposal to Strike off- 08596062 - Incorporated on 4 July 2013 
- UM O'NEILL LTDActive - Proposal to Strike off- NI652254 - Incorporated on 10 April 2018 
- O'NEILL GMBHregistered- OE029628 - Incorporated on 5 May 2023 
- DR A O'NEILL LTD- NI689385 - Incorporated on 30 June 2022 
- C O'NEILL TM LTDActive - Proposal to Strike off- 15706479 - Incorporated on 7 May 2024 
- NEILL AA LTDActive - Proposal to Strike off- 11022975 - Incorporated on 20 October 2017 
- O'NEILL'S PROPERTY MANAGEMENT LIMITED- 11297839 - Incorporated on 7 April 2018 
- HUGH O'NEILL- LP005883 - Incorporated on 25 August 1998 
- RJ O'NEILL LTDDissolved- 06199861 - Dissolved on 28 September 2010 
- K.S.L. O'NEILL CO LTDActive - Proposal to Strike off- 09784873 - Incorporated on 18 September 2015 
- MC O’NEILL LTD- 16381631 - Incorporated on 11 April 2025 
- AC NEILL LTDDissolved- 07084039 - Dissolved on 18 September 2012 
- O'NEILL GMBH- FC029564 - Incorporated on 1 July 2009 
- PJ O'NEILL LTD- NI060697 - Incorporated on 30 August 2006 
- MR JAMESON CLOTHING LIMITEDActive - Proposal to Strike off- 09713037 - Incorporated on 31 July 2015 
- EARTHSEER LTD- NI051606 - Incorporated on 31 August 2004