- FITZGERALD MCLEAN LIMITEDDissolved- 07270067 - Dissolved on 17 July 2012 
- FITZGERALD MARKETING LIMITED- 07946238 - Incorporated on 10 February 2012 
- DOW FITZGERALD LIMITEDActive - Proposal to Strike off- 07844579 - Incorporated on 11 November 2011 
- FITZGERALD HOLDINGS LIMITED- 07663599 - Incorporated on 9 June 2011 
- DR. JOSEPH FITZGERALD- NI605395 - Incorporated on 6 December 2010 
- FITZGERALD & BIER LIMITEDActive - Proposal to Strike off- 05474397 - Incorporated on 7 June 2005 
- FITZGERALD LOADES LIMITED- 05926704 - Incorporated on 6 September 2006 
- FITZGERALD MANAGEMENT LIMITEDDisolved- 03630685 - Dissolved on 12 September 2023 
- FITZGERALD MORGAN LTD.- 04990748 - Incorporated on 10 December 2003 
- JOSEPH FITZGERALD LTDActive - Proposal to Strike off- 09331793 - Incorporated on 28 November 2014 
- FITZGERALD CONSTRUCTION LTDActive - Proposal to Strike off- 08912757 - Incorporated on 26 February 2014 
- LYNDSEY FITZGERALD LIMITEDDissolved- 09085177 - Dissolved on 18 December 2018 
- MH FITZGERALD LIMITEDActive - Proposal to Strike off- 08561824 - Incorporated on 10 June 2013 
- N FITZGERALD LIMITED- 09929647 - Incorporated on 24 December 2015 
- HARRIS FITZGERALD LTDActive - Proposal to Strike off- 10611439 - Incorporated on 9 February 2017 
- FITZGERALD CORPORATION LTDActive - Proposal to Strike off- 11580305 - Incorporated on 20 September 2018 
- O'BRIEN FITZGERALD LTDActive - Proposal to Strike off- 11575914 - Incorporated on 18 September 2018 
- GRACE FITZGERALD LTD- 11634876 - Incorporated on 22 October 2018 
- FITZGERALD DESIGN LIMITEDDisolved- 10992755 - Dissolved on 6 September 2022 
- FITZGERALD & SONS LIMITED- 11336074 - Incorporated on 30 April 2018