- NEILL AA LTDActive - Proposal to Strike off- 11022975 - Incorporated on 20 October 2017 
- NEILOS LTD- 13769309 - Incorporated on 28 November 2021 
- ROB NEIL LTD- 11948218 - Incorporated on 15 April 2019 
- NEIL INT LTD.Dissolved- 06668796 - Dissolved on 23 March 2010 
- NEIL M FOX LTD- 08409481 - Incorporated on 19 February 2013 
- NEIL INC LTDDissolved- 10390041 - Dissolved on 8 January 2019 
- NEILCO LTDActive - Proposal to Strike off- 10826576 - Incorporated on 20 June 2017 
- DR A O'NEILL LTD- NI689385 - Incorporated on 30 June 2022 
- NEIL & SON LTD- SC835870 - Incorporated on 30 January 2025 
- GARDEN MACHINERY LIMITED- 05990286 - Incorporated on 7 November 2006 
- TPI PACKAGING AND INDUSTRIALDisolved- 01852827 - Dissolved on 8 March 2022 
- NEIL DEE LTDDissolved- 07035235 - Dissolved on 22 February 2011 
- UM O'NEILL LTDActive - Proposal to Strike off- NI652254 - Incorporated on 10 April 2018 
- ASK NEIL LTD- 10454499 - Incorporated on 1 November 2016 
- JAGCH NEIL- SC746245 - Incorporated on 4 October 2022 
- NEIL R KELLYDisolved- SC774335 - Dissolved on 9 April 2024 
- O'NEILL GMBHregistered- OE029628 - Incorporated on 5 May 2023 
- GEOFFREYS MILITARY LTDActive - Proposal to Strike off- 09771170 - Incorporated on 10 September 2015 
- KARL GEOFFREY HARVEY LTDDisolved- 13847991 - Dissolved on 12 July 2022 
- AC NEILL LTDDissolved- 07084039 - Dissolved on 18 September 2012