- FITZPATRICK LLP- OC346818 - Incorporated on 30 June 2009 
- FITZPATRICK DAVISActive - Proposal to Strike off- 07465380 - Incorporated on 9 December 2010 
- THORNHILL PARTNERSDissolved- SC067059 - Dissolved on 14 December 2001 
- A.E.PETERSEN BPHARM MR PHARMS LLPDissolved- OC300097 - Dissolved on 23 October 2012 
- ADLER FITZPATRICK SOLICITORS LLP- OC372925 - Incorporated on 29 February 2012 
- PETER SANDS MRPHARMS LIMITEDActive - Proposal to Strike off- 04720359 - Incorporated on 2 April 2003 
- MR CLEVER CLEAN PETERBOROUGH LTDActive - Proposal to Strike off- 11441729 - Incorporated on 29 June 2018 
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- MORROW COMMUNICATIONS LIMITED- NI018741 - Incorporated on 27 August 1985 
- GRÁ MATCHA LTD- NI717925 - Incorporated on 4 July 2024 
- MJ FITZPATRICK LIMITEDDisolved- 05847830 - Dissolved on 2 July 2025 
- PDF SERVICES IRELAND LTDLiquidation- NI615725 - Incorporated on 29 November 2012 
- FDL REALISATIONS 2017 LIMITEDLiquidation- 09919167 - Incorporated on 16 December 2015 
- FITZPATRICK LEARNING ACADEMY LIMITED- 07465198 - Incorporated on 9 December 2010 
- TAMAR TRACTORS LIMITEDLiquidation- 05921929 - Incorporated on 1 September 2006 
- FITZPATRICK HAULAGE & CONSTRUCTION LIMITEDDisolved- 13378405 - Dissolved on 27 June 2023 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024