- JACK O'NEILL LTDDisolved- 15262617 - Dissolved on 15 April 2025 
- MR & MRS S LTDActive - Proposal to Strike off- 12290244 - Incorporated on 30 October 2019 
- CORNWALL STUDIOS LTD- 11464230 - Incorporated on 13 July 2018 
- MONZA COATINGS LTD- NI033622 - Incorporated on 16 February 1998 
- NIL SATIS NISI OPTIMUM JRO LIMITED- 06136854 - Incorporated on 5 March 2007 
- PIXEL COMMUNICATIONS LIMITED- 06470724 - Incorporated on 11 January 2008 
- O'NEILL MEDICAL CONSULTANTS LIMITEDActive - Proposal to Strike off- 08065569 - Incorporated on 11 May 2012 
- GROW ENGINEERING LTD- NI726175 - Incorporated on 10 February 2025 
- WALDEN O'NEILL LTDDisolved- 09415661 - Dissolved on 11 March 2025 
- MR NEVILLE JOHNSON AND MRS KIRSTY JOHNSON (CORPORATE ADVANCES) UK LIMITEDActive - Proposal to Strike off- 09172861 - Incorporated on 13 August 2014 
- P.V. O'NEILL LIMITEDLiquidation- 00504069 - Incorporated on 2 February 1952 
- PETER O'NEILL LTD- NI068413 - Incorporated on 10 March 2008 
- NEILL 2 LIMITEDActive - Proposal to Strike off- 08596041 - Incorporated on 4 July 2013 
- R.S. O'NEILL LIMITEDActive - Proposal to Strike off- 08422938 - Incorporated on 27 February 2013 
- KEVIN O'NEILL LTD- 09400938 - Incorporated on 22 January 2015 
- D. O'NEILL LIMITEDDisolved- 11621055 - Dissolved on 25 October 2022 
- BRIAN NEILL (20447) LTDActive - Proposal to Strike off- 10112696 - Incorporated on 8 April 2016 
- MEGAN O'NEILL 6550 LTDActive - Proposal to Strike off- 10356324 - Incorporated on 2 September 2016 
- FIONA O'NEILL LTD.Active - Proposal to Strike off- 10507843 - Incorporated on 2 December 2016 
- O’NEILL AUTOS LTDDisolved- SC720556 - Dissolved on 27 June 2023