- MR MRG LTDDisolved- 14226733 - Dissolved on 19 December 2023 
- MR&MRS B.A.D LTDDisolved- 15544690 - Dissolved on 4 February 2025 
- DO SULLIVAN LTD- 07677362 - Incorporated on 21 June 2011 
- KK SULLIVAN LTDDisolved- 13594593 - Dissolved on 23 January 2024 
- MR & MRS S LTDActive - Proposal to Strike off- 12290244 - Incorporated on 30 October 2019 
- P M PATRICK LTDActive - Proposal to Strike off- 09553322 - Incorporated on 21 April 2015 
- PATRICK2019 LTDDisolved- 14395043 - Dissolved on 5 March 2024 
- 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 
- KATIE O'SULLIVAN LTDActive - Proposal to Strike off- 07887126 - Incorporated on 20 December 2011 
- CROSSING O'SULLIVAN LIMITEDActive - Proposal to Strike off- 04313257 - Incorporated on 30 October 2001 
- O'SULLIVAN PLASTERERS LTD- 09232634 - Incorporated on 24 September 2014 
- LYNNE O'SULLIVAN LIMITEDActive - Proposal to Strike off- 09237537 - Incorporated on 26 September 2014 
- O'SULLIVAN 1960 LIMITEDActive - Proposal to Strike off- 08862002 - Incorporated on 27 January 2014 
- KEIRON O'SULLIVAN LIMITED- 09053064 - Incorporated on 22 May 2014 
- O'SULLIVAN FUTURES LIMITED- 09799910 - Incorporated on 29 September 2015 
- IAN O'SULLIVAN LIMITED- 09826254 - Incorporated on 15 October 2015