- KAITLIN FITZGERALD LIMITEDDissolved- 09548661 - Dissolved on 4 June 2019 
- PAUL FITZGERALD LIMITEDDisolved- 09588377 - Dissolved on 26 October 2021 
- JOHN FITZGERALD LIMITED- 10013288 - Incorporated on 18 February 2016 
- FITZGERALD MEDICAL LIMITEDDissolved- NI640008 - Dissolved on 6 November 2018 
- FITZGERALD & ASSOCIATES LIMITED- 10633991 - Incorporated on 22 February 2017 
- FITZGERALD RECRUITMENT LTDActive - Proposal to Strike off- 10827678 - Incorporated on 20 June 2017 
- MYLES FITZGERALD LIMITEDDissolved- 10853466 - Dissolved on 18 June 2019 
- MARIANNE FITZGERALD LIMITED- 13964327 - Incorporated on 9 March 2022 
- LUTYENS & FITZGERALD LLP- OC442880 - Incorporated on 28 June 2022 
- FITZGERALD PROPERTY LIMITED- 15527961 - Incorporated on 28 February 2024 
- FITZGERALD WEBB LTDDisolved- 11693630 - Dissolved on 5 April 2022 
- FITZGERALD PUB CO LTDActive - Proposal to Strike off- 10338172 - Incorporated on 19 August 2016 
- FITZGERALD & BURKE LIMITED- 01200802 - Incorporated on 19 February 1975 
- A FITZGERALD LIMITEDDisolved- 06065120 - Dissolved on 27 December 2022 
- STUDIO FITZGERALD LIMITED- 06729727 - Incorporated on 22 October 2008 
- FITZGERALD CONSULTING LIMITED- 04440627 - Incorporated on 16 May 2002 
- RONAN FITZGERALD LIMITED- 06534894 - Incorporated on 14 March 2008 
- TOM FITZGERALD LIMITEDActive - Proposal to Strike off- 07204660 - Incorporated on 26 March 2010 
- FITZGERALD & BRADLEY LTD- 07215411 - Incorporated on 7 April 2010 
- FITZGERALD JAMES LTDDissolved- 07763068 - Dissolved on 15 April 2014