- GRANT19 LTD- 10859600 - Incorporated on 11 July 2017 
- A & M GRANT LTDDissolved- NI638048 - Dissolved on 6 July 2021 
- R GRANT 7603 LTDActive - Proposal to Strike off- 10534301 - Incorporated on 21 December 2016 
- K GRANT LTDDisolved- 13886330 - Dissolved on 19 March 2024 
- GRANT P LTDDisolved- 13941313 - Dissolved on 1 August 2023 
- GRANT 191 LTD- SC780978 - Incorporated on 31 August 2023 
- ELLISVILLE LTD.- 06205541 - Incorporated on 5 April 2007 
- GRANT THORNTON UK GRANT LTDDissolved- 07460627 - Dissolved on 24 July 2012 
- GRANT THORNTON GRANT UK LTDDissolved- 07398387 - Dissolved on 15 May 2012 
- RONAN MURTAGH CONTRACTORS LTD- NI053337 - Incorporated on 15 December 2004 
- RONAN TRADING COMPANY LTDDisolved- NI072474 - Dissolved on 27 August 2024 
- RONAN O'REILLY SERVICES LTD- 09133440 - Incorporated on 16 July 2014 
- RONAN CURRID SERVICES LTDDissolved- 10205113 - Dissolved on 18 December 2018 
- CHELSEA RONAN HEALTHCARE LTDDisolved- 12880506 - Dissolved on 15 February 2022 
- RONAN BYRNE ELECTRICAL LIMITED- NI648493 - Incorporated on 6 October 2017 
- PATRICK GRANT ORLA GRANT LTD- NI686512 - Incorporated on 10 March 2022 
- GRANT THORNTON GRANT LLP LTDActive - Proposal to Strike off- 07290526 - Incorporated on 21 June 2010 
- GRANT THORNTON & GRANT UK LIMITEDDissolved- 07195246 - Dissolved on 8 November 2011 
- GRANT AND GRANT (EDINBURGH) LLP- SO302467 - Incorporated on 13 August 2009 
- GRANT AND GRANT TRANSPORT LIMITEDDisolved- SC526238 - Dissolved on 13 July 2021