- KIERAN HUGHES LIMITEDDisolved- 10371783 - Dissolved on 15 February 2022 
- KIERAN FITZGERALD LIMITEDDisolved- 13338609 - Dissolved on 20 September 2022 
- KIERAN KUTZ LIMITEDDisolved- 14029071 - Dissolved on 4 October 2022 
- KIERAN CONSULTANCY LIMITED- SC745923 - Incorporated on 30 September 2022 
- KIERAN MCCANN LIMITED- NI726527 - Incorporated on 19 February 2025 
- O'SULLIVAN EDUCATION CONSULTING LIMITED- 11764014 - Incorporated on 14 January 2019 
- APEC CONSTRUCTION LIMITEDActive - Proposal to Strike off- 09679989 - Incorporated on 10 July 2015 
- DAVID O'SOLOMON LIMITED- 11659093 - Incorporated on 5 November 2018 
- KIERANTAYLORINSTANTLETS LIMITEDDisolved- 12753571 - Dissolved on 4 January 2022 
- KIERAN B SOUND LIMITED- 14999941 - Incorporated on 13 July 2023 
- DUNNES SHOP LTDDisolved- 11658697 - Dissolved on 19 April 2022 
- PARACHUTEMH LTD- 12541622 - Incorporated on 31 March 2020 
- STUDWELDERS HOLDINGS LTD- 13799205 - Incorporated on 14 December 2021 - Studwelders Composite Floor Decks Ltd, Millennium House,Severnlink Distribution Centre, Newhouse Farm Industrial Estate, Mathern, Chepstow, Monmouthshire, Severnlink Distribution Centre, Newhouse Farm Industrial Estate, NP16 6UN 
- KIERANS PRODUCTS LTDDisolved- 12977518 - Dissolved on 3 January 2023 
- ADRS SOLUTIONS LIMITED- 07206078 - Incorporated on 29 March 2010 
- REVROS CONSULTING LTD- 13815435 - Incorporated on 23 December 2021 
- JAN SULLIVAN LTDActive - Proposal to Strike off- 08901078 - Incorporated on 18 February 2014 
- PDO'SULLIVAN LTDActive - Proposal to Strike off- 10104889 - Incorporated on 5 April 2016 
- SULLIVANSAFETY LTDDisolved- 13422961 - Dissolved on 1 November 2022 
- INHABIT: SHORT STAYS LIMITED- 09741646 - Incorporated on 20 August 2015