- LUKE A HEFFERNAN INVESTMENTS LTD- 16216677 - Incorporated on 29 January 2025 
- LUKE ALEXANDER LIMITED- 07833850 - Incorporated on 3 November 2011 
- ALEXANDER LUKE LIMITED- 14508922 - Incorporated on 28 November 2022 
- LUKE ALEXANDER SCOTT LTDActive - Proposal to Strike off- 11548166 - Incorporated on 3 September 2018 
- LUKE ALEXANDER P R LIMITEDActive - Proposal to Strike off- 10896512 - Incorporated on 2 August 2017 
- ALEXANDER LUKE INVESTMENTS LIMITEDDisolved- 10973744 - Dissolved on 22 February 2022 
- LUKE ALEXANDER JACOB LIMITED- 14513012 - Incorporated on 29 November 2022 
- HEFFERNAN LIMITED- 16216693 - Incorporated on 29 January 2025 
- LUKE ALEXANDER PR LIMITEDActive - Proposal to Strike off- 09974860 - Incorporated on 28 January 2016 
- CAL LUKE ALEXANDER LIMITEDDisolved- 15305020 - Dissolved on 2 July 2024 
- HJ HEFFERNAN LTDActive - Proposal to Strike off- 10892581 - Incorporated on 1 August 2017 
- HEFFERNAN HOSPITALITY LIMITEDActive - Proposal to Strike off- 11034499 - Incorporated on 26 October 2017 
- HEFFERNANCOMPANY LTDDisolved- 13710467 - Dissolved on 14 June 2022 
- DR. ERIC HEFFERNAN- NI605399 - Incorporated on 6 December 2010 
- HEFFERNAN FX CONSULTANCY LIMITEDDisolved- 08081908 - Dissolved on 15 July 2025 
- RAPPORT DESIGN LTD- NI066733 - Incorporated on 19 October 2007 
- HEFFERNAN HOLDINGS LTD- 11064928 - Incorporated on 15 November 2017 
- D. HEFFERNAN LIMITEDActive - Proposal to Strike off- 04616443 - Incorporated on 12 December 2002 
- DAVE HEFFERNAN LTDActive - Proposal to Strike off- 11469192 - Incorporated on 17 July 2018 
- HEFFERNAN CONSULTING LIMITEDDisolved- 07561830 - Dissolved on 8 July 2023