- SULLIVAN & SMITH LTDDisolved- 07013358 - Dissolved on 1 February 2022 
- K.D & M..A SULLIVAN LLP- OC422550 - Incorporated on 22 May 2018 
- F SULLIVAN LTD- 07590649 - Incorporated on 4 April 2011 
- S.T. SULLIVAN LTDDisolved- 07850167 - Dissolved on 21 June 2022 
- D & S SULLIVAN LTDLiquidation- 08672824 - Incorporated on 2 September 2013 
- P J O'SULLIVAN LTDDisolved- 09773758 - Dissolved on 5 November 2023 
- P T & C E SULLIVAN LTD- 16262924 - Incorporated on 19 February 2025 
- N A O'SULLIVAN LTD- 10678722 - Incorporated on 20 March 2017 
- W SULLIVAN LTD- 09087294 - Incorporated on 16 June 2014 
- D W SULLIVAN LTDActive - Proposal to Strike off- 09071272 - Incorporated on 4 June 2014 
- P J SULLIVAN LTDDisolved- 10760861 - Dissolved on 2 August 2022 
- R J SULLIVAN LTD- 10029669 - Incorporated on 26 February 2016 
- B.M. SULLIVAN INC.- FC021959 - Incorporated on 6 July 1999 
- N & A O'SULLIVAN LTD- 04724855 - Incorporated on 7 April 2003 
- M O'SULLIVAN LTDLiquidation- 07620656 - Incorporated on 3 May 2011 
- S. SULLIVAN LTDActive - Proposal to Strike off- 07280693 - Incorporated on 10 June 2010 
- T SULLIVAN LTD- 11563390 - Incorporated on 11 September 2018 
- SULLIVAN J LTDActive - Proposal to Strike off- 11767090 - Incorporated on 15 January 2019 
- N.L SULLIVAN LTDDisolved- 13131112 - Dissolved on 6 June 2023 
- S SULLIVAN LTDDisolved- 12925084 - Dissolved on 8 March 2022