- FITZGERALD-BULL LIMITEDDissolved- 04546027 - Dissolved on 10 August 2010 
- MICK FITZGERALD LIMITED- 05005675 - Incorporated on 5 January 2004 
- FITZGERALD CONSULTANCY LTDDissolved- 07456931 - Dissolved on 24 April 2012 
- DESMOND FITZGERALD LIMITEDDissolved- 07668513 - Dissolved on 12 February 2013 
- FITZGERALD LOGISTICS LIMITEDActive - Proposal to Strike off- 07865560 - Incorporated on 30 November 2011 
- FITZGERALD & MISKIMMIN LTDDissolved- NI044593 - Dissolved on 10 May 2013 
- NEIL FITZGERALD LIMITED- 04724649 - Incorporated on 7 April 2003 
- FITZGERALD ELECTRICAL LIMITED- 03722729 - Incorporated on 1 March 1999 
- FITZGERALD ESTIMATING LTDDisolved- 06639129 - Dissolved on 13 August 2024 
- FITZGERALD FIXING LIMITED- 03126894 - Incorporated on 16 November 1995 
- JULIE FITZGERALD LIMITEDActive - Proposal to Strike off- 06003103 - Incorporated on 20 November 2006 
- MARGARET FITZGERALD LTDActive - Proposal to Strike off- 06974190 - Incorporated on 27 July 2009 
- FITZGERALD RAIL LIMITED- 09112909 - Incorporated on 2 July 2014 
- AIDAN FITZGERALD LTD- 08429548 - Incorporated on 5 March 2013 
- FITZGERALD PROPERTIES LTD- 09348765 - Incorporated on 10 December 2014 
- FITZGERALD MOORE LIMITED- 09722531 - Incorporated on 8 August 2015 
- DAVID FITZGERALD LIMITEDActive - Proposal to Strike off- 09716346 - Incorporated on 4 August 2015 
- NICHOLAS FITZGERALD LTDActive - Proposal to Strike off- 11861077 - Incorporated on 5 March 2019 
- FITZGERALD SOLUTIONS LTD- 11862085 - Incorporated on 5 March 2019 
- LORI FITZGERALD LIMITED- 09552539 - Incorporated on 21 April 2015