- SYDNEY MAE LIMITEDDissolved- 07781913 - Dissolved on 1 October 2013 
- OLIVER 2011 LIMITEDDisolved- 07810096 - Dissolved on 26 September 2023 
- SWALLOWFIELDS SELF STORAGE LTD- 09195193 - Incorporated on 29 August 2014 
- SYDNEY NEWTON PROPERTIES LIMITED- 13251428 - Incorporated on 8 March 2021 
- SYDNEY'S DRIVERS LTDActive - Proposal to Strike off- 11629183 - Incorporated on 18 October 2018 
- SYDNEY GOLDWYN LTD- 11170521 - Incorporated on 25 January 2018 
- SYDNEY HEATH & SON LTD.- 02696136 - Incorporated on 11 March 1992 
- SYDNEY & THELMA IT LTDActive - Proposal to Strike off- 10928804 - Incorporated on 23 August 2017 
- SYDNEY &CO (UK) LIMITEDDisolved- 13557491 - Dissolved on 7 February 2023 
- SYDNEY CROOKES LTDDisolved- 14547154 - Dissolved on 8 July 2025 
- MR & MRS S LTDActive - Proposal to Strike off- 12290244 - Incorporated on 30 October 2019 
- SYDNEY INVESTORS LLP- OC316998 - Incorporated on 4 January 2006 
- SYDNEY CONSTRUCTION LTDActive - Proposal to Strike off- 08059254 - Incorporated on 8 May 2012 
- HARRISON SYDNEY LIMITED- 03886598 - Incorporated on 1 December 1999 
- SYDNEY MCMULLAN LIMITED- NI624827 - Incorporated on 27 May 2014 
- SYDNEY MAXWELL LIMITEDActive - Proposal to Strike off- 08690520 - Incorporated on 13 September 2013 
- SYDNEY CONSULTANCY LTDActive - Proposal to Strike off- 09289595 - Incorporated on 31 October 2014 
- SYDNEY SAMPA LIMITEDActive - Proposal to Strike off- 09503863 - Incorporated on 23 March 2015 
- SYDNEY FRANK LIMITEDActive - Proposal to Strike off- 12819282 - Incorporated on 17 August 2020 
- HARRISON SYDNEY LIMITEDActive - Proposal to Strike off- 09907868 - Incorporated on 8 December 2015