- N O'DONNELL LIMITEDDissolved- SC280262 - Dissolved on 21 August 2009 
- O'DONNELL R LIMITEDDissolved- 05340138 - Dissolved on 22 May 2018 
- S.M. O'DONNELL LIMITEDDisolved- 05412100 - Dissolved on 15 April 2025 
- ANTONY O'DONNELL LIMITEDActive - Proposal to Strike off- 07904197 - Incorporated on 10 January 2012 
- TOM O'DONNELL LIMITEDActive - Proposal to Strike off- 08807938 - Incorporated on 9 December 2013 
- O'DONNELL CONTRACTORS LTD- 09403461 - Incorporated on 23 January 2015 
- O'DONNELL ELECTRICAL LTDDisolved- 10399267 - Dissolved on 17 May 2022 
- O'DONNELL MOONSHINE LIMITED- 10474655 - Incorporated on 11 November 2016 
- O'DONNELL SCAFFOLDING LTD- 13727744 - Incorporated on 8 November 2021 
- ADAM O'DONNELL LTD- SC739461 - Incorporated on 27 July 2022 
- O'DONNELL 100 LIMITED- 13694636 - Incorporated on 21 October 2021 
- K O'DONNELL LIMITEDDisolved- SC676523 - Dissolved on 20 December 2022 
- LORNA O'DONNELL LIMITED- NI675061 - Incorporated on 18 December 2020 
- O'DONNELL ENTERPRISES LIMITED- 14687610 - Incorporated on 24 February 2023 
- O'DONNELL HIRE LTDDisolved- 14373973 - Dissolved on 10 June 2025 
- O'DONNELL (CHESTERFIELD) LIMITEDActive - Proposal to Strike off- 15926011 - Incorporated on 30 August 2024 
- O'DONNELL MARINE LTD- 16191139 - Incorporated on 17 January 2025 
- DR ROB O'DONNELL LTDActive - Proposal to Strike off- 09976615 - Incorporated on 29 January 2016 
- TL DONNELLON LTDActive - Proposal to Strike off- 10496248 - Incorporated on 24 November 2016 
- DONNELLSONS LLPDissolved- OC301785 - Dissolved on 12 August 2015