- KIERAN MATHEWSON LTD- 08755263 - Incorporated on 30 October 2013 
- KIERAN MCELDUFF LTDActive - Proposal to Strike off- 07368943 - Incorporated on 8 September 2010 
- KIERAN WEIR LIMITED- 07553413 - Incorporated on 7 March 2011 
- KIERAN HOULIHAN LIMITEDDissolved- 12329480 - Dissolved on 6 July 2021 
- KIERAN ROBINSON LIMITEDActive - Proposal to Strike off- 11270002 - Incorporated on 22 March 2018 
- KIERAN BARTHOLOMEW LTDActive - Proposal to Strike off- 11461483 - Incorporated on 12 July 2018 
- KIERAN HARMAN LIMITEDActive - Proposal to Strike off- 10821697 - Incorporated on 16 June 2017 
- KIERAN RAIL LIMITEDActive - Proposal to Strike off- 10084659 - Incorporated on 24 March 2016 
- KIERAN JOSEPH LIMITEDActive - Proposal to Strike off- 10076370 - Incorporated on 21 March 2016 
- KIERAN SOUND LIMITEDDisolved- 12477162 - Dissolved on 5 April 2022 
- KIERAN JENNINGS LTDActive - Proposal to Strike off- 10462637 - Incorporated on 4 November 2016 
- KIERAN SHAH LIMITEDDissolved- 11104919 - Dissolved on 22 June 2021 
- KIERAN JOHNSTONE LTDActive - Proposal to Strike off- SC618422 - Incorporated on 17 January 2019 
- KIERAN SWINDALE LTDDisolved- 13429165 - Dissolved on 1 November 2022 
- ALEXANDER KIERAN LIMITED- 16507076 - Incorporated on 10 June 2025 
- ANTHONY O'SULLIVAN LIMITED- 05032522 - Incorporated on 3 February 2004 
- T O'SULLIVAN LIMITED- 04615344 - Incorporated on 12 December 2002 
- O'SULLIVAN RESOURCES LIMITEDLiquidation- 06769376 - Incorporated on 9 December 2008 
- O'SULLIVAN PROJECTS LIMITEDDissolved- 06855092 - Dissolved on 2 November 2010 
- O'SULLIVAN TRADING LIMITED- 07483823 - Incorporated on 6 January 2011