- J & P O'NEILL LIMITED- NI040009 - Incorporated on 19 January 2001 
- NEILL'S LIMITED- 08063998 - Incorporated on 10 May 2012 
- TERRY O'NEILL LTDDissolved- 04056826 - Dissolved on 20 August 2013 
- O'NEILL M&C LIMITED- 08473284 - Incorporated on 4 April 2013 
- NEIL DAVIES LTDDisolved- 08620984 - Dissolved on 5 October 2021 
- NEIL SUMMER LLPActive - Proposal to Strike off- OC353150 - Incorporated on 11 March 2010 
- NEIL KELSEY LTDActive - Proposal to Strike off- 09397282 - Incorporated on 20 January 2015 
- NEIL KELLY IT LTDLiquidation- 09130782 - Incorporated on 15 July 2014 
- R W NEILL LIMITEDActive - Proposal to Strike off- NI058119 - Incorporated on 10 February 2006 
- ANTONY NEIL LTD- 12104963 - Incorporated on 16 July 2019 
- NEILL FOLEY LTD- 10955115 - Incorporated on 11 September 2017 
- LATOYA NEIL LTDDisolved- 10964901 - Dissolved on 25 April 2022 
- NEIL FISHER LTDActive - Proposal to Strike off- 10078257 - Incorporated on 22 March 2016 
- NEILM LIMITED- 12415986 - Incorporated on 21 January 2020 
- NEIL DAVIES 4X4 LTD- 11875979 - Incorporated on 12 March 2019 
- NEIL & LOUISE LTD- 16114075 - Incorporated on 2 December 2024 
- NEIL MORGAN 000056 LTDActive - Proposal to Strike off- 10020353 - Incorporated on 23 February 2016 
- NEIL HUTTON 862 LTDActive - Proposal to Strike off- 10040899 - Incorporated on 3 March 2016 
- MOYNA O'NEILL LTD- 11435165 - Incorporated on 27 June 2018 
- TREVOR NEIL LTD- 12053956 - Incorporated on 17 June 2019