- 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 
- KIERANADA LIMITEDDisolved- SC765304 - Dissolved on 17 September 2024 
- 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 
- NY SULLIVAN LTDDisolved- 13628538 - Dissolved on 18 July 2023 
- SULLIVAN FX LTDDisolved- 15304940 - Dissolved on 15 October 2024 
- NW SULLIVAN LTDDisolved- 13983285 - Dissolved on 20 August 2024 
- VB SULLIVAN LTD- 14097323 - Incorporated on 10 May 2022 
- SU SULLIVAN LTDDisolved- 13791099 - Dissolved on 6 May 2025 
- A.SULLIVAN NW LTD- 16126538 - Incorporated on 9 December 2024 
- SULLIVAN & SMITH LTDDisolved- 07013358 - Dissolved on 1 February 2022 
- DARREN O'SULLIVAN LIMITEDDisolved- 14405196 - Dissolved on 16 May 2023 
- GABRIELLE O'SULLIVAN LTDActive - Proposal to Strike off- 10638503 - Incorporated on 24 February 2017