- NEILL & CO (THEYDON) LIMITED- 05440456 - Incorporated on 29 April 2005 
- INTERFLEX SCOTLAND LIMITED- SC009850 - Incorporated on 2 May 1917 
- O5 ACCOUNTANTS LTD- NI622991 - Incorporated on 21 February 2014 
- GRAHAME JAMES ASSOCIATES LIMITEDDissolved- 06750399 - Dissolved on 2 August 2011 
- O'NEILL GPB LTDActive - Proposal to Strike off- NI602541 
- LEE O'NEILL LTDActive - Proposal to Strike off- 09148728 - Incorporated on 28 July 2014 
- UEL O'NEILL LTD- NI616878 - Incorporated on 19 February 2013 
- NEILLDU LTD- 14724784 - Incorporated on 13 March 2023 
- TOM O'NEILL LTD- 05595542 - Incorporated on 18 October 2005 
- MAB NEILL LTD- 11054392 - Incorporated on 8 November 2017 
- O'NEILL'S BAR LTD- NI662041 - Incorporated on 5 June 2019 
- MATTOPIA LTD- 08899293 - Incorporated on 18 February 2014 
- NORTH WEST FOOT & ANKLE CLINIC LTD- NI638712 - Incorporated on 26 May 2016 
- MR JAMESON'S TRADING COMPANY LTDActive - Proposal to Strike off- 09902862 - Incorporated on 4 December 2015 
- MR. JAMES @ JOSEPH ELLIOTT LIMITED- 04494880 - Incorporated on 25 July 2002 
- TOM NEILL LTD- 11945869 - Incorporated on 15 April 2019 
- O'NEILL PCS LTD- SC751774 - Incorporated on 29 November 2022 
- SAM O'NEILL LTD- 09252748 - Incorporated on 7 October 2014 
- NEILL & BIB'S LTD- 16018333 - Incorporated on 15 October 2024 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023