- O'SULLIVAN PHOTOGRAPHY LTDActive - Proposal to Strike off- 08615579 - Incorporated on 18 July 2013 
- PAUL O'SULLIVAN LIMITEDActive - Proposal to Strike off- 09073003 - Incorporated on 5 June 2014 
- TIM O'SULLIVAN LTDActive - Proposal to Strike off- 09138905 - Incorporated on 21 July 2014 
- O'SULLIVAN UTILITIES LIMITEDLiquidation- 09347125 - Incorporated on 9 December 2014 
- O'SULLIVAN PRODUCTIONS LTDDisolved- 11264855 - Dissolved on 20 August 2023 
- LUKE O'SULLIVAN LTD- 10858676 - Incorporated on 10 July 2017 
- O'SULLIVAN ENTERPRISES LIMITEDActive - Proposal to Strike off- 09762623 - Incorporated on 4 September 2015 
- O'SULLIVAN QUINN LTDDisolved- 10046964 - Dissolved on 12 October 2021 
- O'SULLIVAN-TAYLOR LTDDisolved- 12351520 - Dissolved on 16 May 2023 
- SHUCHI O'SULLIVAN LIMITEDActive - Proposal to Strike off- 10648697 - Incorporated on 2 March 2017 
- O'SULLIVAN CONTRACTORS LTD- 10691867 - Incorporated on 27 March 2017 
- MEABH O'SULLIVAN LTDDisolved- 13283016 - Dissolved on 23 July 2024 
- O'SULLIVAN & DAUGHTER LTD- 16564799 - Incorporated on 7 July 2025 
- BOURTON SIGNS LIMITEDActive - Proposal to Strike off- 06472648 - Incorporated on 15 January 2008 
- ORANGE BRIDGE ASSOCIATES LIMITEDDisolved- 04572730 - Dissolved on 13 June 2023 
- GJ SULLIVAN LTDActive - Proposal to Strike off- 10006565 - Incorporated on 15 February 2016 
- GC SULLIVAN LTDDisolved- 13577141 - Dissolved on 23 January 2024 
- HANNAH SULLIVAN LTDActive - Proposal to Strike off- 10167185 - Incorporated on 6 May 2016 
- B.I.G. PATRICK LTD.Active - Proposal to Strike off- 08741412 - Incorporated on 21 October 2013 
- PATRICK B LTDActive - Proposal to Strike off- 09979735 - Incorporated on 1 February 2016