- IAN GRAY LIMITED- 07592938 - Incorporated on 5 April 2011 
- IMPERIUM PRR LIMITEDDisolved- 14718818 - Dissolved on 22 April 2025 
- THE MR AND MRS EMPIRE LTD- 15603811 - Incorporated on 29 March 2024 
- MR & MRS NIK LTD- 09626652 - Incorporated on 6 June 2015 
- MR AND MRS A LTDActive - Proposal to Strike off- 11538245 - Incorporated on 28 August 2018 
- IANA LTDActive - Proposal to Strike off- 11849119 - Incorporated on 27 February 2019 
- IANB LTDDisolved- 10453547 - Dissolved on 7 February 2023 
- IAN&LD LTD- SC674753 - Incorporated on 18 September 2020 
- IANN LTDDisolved- 13886116 - Dissolved on 3 May 2022 
- CULLEN'S CREWING LTDDisolved- 14429545 - Dissolved on 26 March 2024 
- JOHN CULLEN & SONS LTD.- SC140525 - Incorporated on 2 October 1992 
- CULLEN'S CASTLES LTDActive - Proposal to Strike off- 08285674 - Incorporated on 8 November 2012 
- PAT CULLEN LIMITED- 05994818 - Incorporated on 10 November 2006 
- CULLEN CONSULT LTDActive - Proposal to Strike off- 11310327 - Incorporated on 16 April 2018 
- CULLENN CO LIMITED- 15942251 - Incorporated on 7 September 2024 
- IANA & IANA SERVICES LTDDissolved- 08520916 - Dissolved on 16 July 2019 
- MR & MRS VAN LTD- 14374749 - Incorporated on 25 September 2022 
- SHAUN CULLEN ROOFING LTDDisolved- 08864682 - Dissolved on 24 January 2023 
- IANJ LTD- 15583805 - Incorporated on 22 March 2024 
- IANA LTD- 16571334 - Incorporated on 9 July 2025