- REGAN GROUP LTD- 15331918 - Incorporated on 6 December 2023 
- DR. FINTAN REGAN- NI605510 - Incorporated on 14 December 2010 
- REGAN LOFTS LTD- 11115563 - Incorporated on 18 December 2017 
- KEVIN REGAN LTDDisolved- 14357331 - Dissolved on 20 February 2024 
- REGAN GREEN LTD- 16421511 - Incorporated on 30 April 2025 
- REGAN SNKRS LTDDisolved- 14105691 - Dissolved on 17 October 2023 
- D J O'REGAN LIMITED- 15989003 - Incorporated on 1 October 2024 
- REGAN K9 LIMITED- 16325076 - Incorporated on 18 March 2025 
- OLD TOWN BAKEHOUSE LTD- 13611279 - Dissolved on 7 March 2023 
- REGAN ROOFING & GENERAL BUILDERS LIMITED- 10087142 - Incorporated on 29 March 2016 
- FUTURE EMPLOYMENT LIMITED- 06373200 - Incorporated on 17 September 2007 
- CRE8ENTERTAINMENT LTD- 07725599 - Incorporated on 2 August 2011 
- REGAN NOBLE LTDActive - Proposal to Strike off- 08475466 - Incorporated on 5 April 2013 
- V O'REGAN LIMITED- 10718641 - Incorporated on 10 April 2017 
- REGAN AND SONS LIMITED- 09247823 - Incorporated on 3 October 2014 
- ELWOOD MAVERICKS LTD.- 08966669 - Incorporated on 31 March 2014 
- GERARD S BIRD LTDActive - Proposal to Strike off- 08620868 - Incorporated on 23 July 2013 
- GERARD IMPEX LP- SL017648 - Incorporated on 18 August 2014 
- REGANSOFT LTD- 10082380 - Incorporated on 23 March 2016 
- F REGAN LIMITED- 10087564 - Incorporated on 29 March 2016