- N.A & O'NEILL LTD- 09953790 - Incorporated on 15 January 2016 
- J&C O'NEILL LTD- 11581393 - Incorporated on 21 September 2018 
- M NEILL LTDActive - Proposal to Strike off- 11166698 - Incorporated on 24 January 2018 
- S J P O'NEILL LTD- 12241589 - Incorporated on 3 October 2019 
- MR FITNESS ST JAMES LIMITEDLiquidation- 10529700 - Incorporated on 16 December 2016 
- M & C O'NEILL LTD- NI050035 - Incorporated on 25 March 2004 
- G J O'NEILL LTDDisolved- 08684488 - Dissolved on 16 July 2024 
- A O'NEILL LTD- 11408084 - Incorporated on 11 June 2018 
- T. O'NEILL LTDDisolved- 12624210 - Dissolved on 17 October 2023 
- MR THOMAS JAMES BINGHAM LTDDisolved- NI707981 - Dissolved on 17 June 2025 
- MR JAMES THOMAS HOLGATE LTDDisolved- 13814154 - Dissolved on 20 June 2023 
- A.& A. O'NEILL LTD- 06813836 - Incorporated on 9 February 2009 
- R. O'NEILL LTDActive - Proposal to Strike off- 05668890 - Incorporated on 9 January 2006 
- G O'NEILL LTDActive - Proposal to Strike off- 04724136 - Incorporated on 4 April 2003 
- D.A. O'NEILL LTDDisolved- 10880329 - Dissolved on 28 May 2024 
- H, C & M O'NEILL LTD- NI729105 - Incorporated on 2 May 2025 
- JAMES GRAHAM TRANSPORT (KENT) LIMITED- 01142022 - Incorporated on 29 October 1973 
- GRAHAM JAMES PROPERTY HOLDINGS LIMITEDDissolved- 04087165 - Dissolved on 11 April 2013 
- WK NAVENE LTDDisolved- 13507376 - Dissolved on 8 August 2023 
- GRAHAM JAMES BUILDING SERVICES LTD- 11260238 - Incorporated on 16 March 2018