- HEATH JOHN MONAGHAN- Born August 1975 - 25 LORDSFIELD GARDENS, OVERTON, HAMPSHIRE, RG25 3EW 
- SIMON JOHN MONAGHAN- 4 SANDBEDS COURT, SANDBEDS TRADING ESTATE, OSSETT, WEST YORKSHIRE, UNITED KINGDOM, WF5 9ND 
- MONAGHAN BRICKWORK LTD- 04426945 - Incorporated on 29 April 2002 
- FARRER MONAGHAN LIMITEDActive - Proposal to Strike off- 06685804 - Incorporated on 2 September 2008 
- MONAGHAN SOLUTIONS LIMITEDDissolved- 06920439 - Dissolved on 22 May 2012 
- MONAGHAN SURVEYING LTDDissolved- 07199477 - Dissolved on 6 August 2013 
- MONAGHAN CONTRACTS LTD- NI049725 - Incorporated on 19 February 2004 
- MONAGHAN JEWELLERS LIMITED- SC257901 - Incorporated on 20 October 2003 
- JJKR MONAGHAN LIMITEDDisolved- 08418297 - Dissolved on 5 July 2022 
- MONAGHAN DIGITAL LTD- 11949627 - Incorporated on 16 April 2019 
- MATTHEW MONAGHAN LIMITED- 11994430 - Incorporated on 14 May 2019 
- MONAGHAN CONSULTING LTDDisolved- 10361316 - Dissolved on 3 December 2024 
- MONAGHAN PROPERTIES LTDDissolved- 12307910 - Dissolved on 29 June 2021 
- FRANCIS MONAGHAN LIMITEDDisolved- 13068856 - Dissolved on 3 January 2023 
- KRISTINE MONAGHAN LTD- 14034573 - Incorporated on 8 April 2022 
- MONAGHAN JOINERY LTDDisolved- SC739119 - Dissolved on 26 December 2023 
- MONAGHAN ACADEMY LTDActive - Proposal to Strike off- 15527578 - Incorporated on 27 February 2024 
- MONAGHAN REINSTATEMENTS LTDDisolved- SC822847 - Dissolved on 17 June 2025 
- MONAGHANS LIMITED- 06455453 - Incorporated on 17 December 2007 
- MONAGHAN EVENTS LTD- 16418681 - Incorporated on 29 April 2025