- SYDNEY OZED (UK) LTDDissolved- 06698287 - Dissolved on 4 May 2010 
- SYDNEY MEDIA LTDDisolved- 15468594 - Dissolved on 8 July 2025 
- SYDNEYGROVESOLUTIONS LTD- 16013529 - Incorporated on 11 October 2024 
- S.E. ALLAN LTD.Dissolved- SC228196 - Dissolved on 16 February 2016 
- G R ALLAN LTDDisolved- SC602809 - Dissolved on 23 August 2022 
- J W ALLAN LTDActive - Proposal to Strike off- 09443340 - Incorporated on 17 February 2015 
- OPTIMITY BIDCO LIMITED- 09959559 - Incorporated on 19 January 2016 - Optimity, 9 Appold Street, London, EC2A 2AP 
- THE SYDNEY ARMS LTDLiquidation- 07965700 - Incorporated on 27 February 2012 
- SYDNEY-DAVIES LTDDisolved- 08703244 - Dissolved on 14 June 2022 
- SYDNEY JO EVENTS LIMITEDDisolved- 08966434 - Dissolved on 5 December 2023 
- SYDNEY WHARF LLP- OC346073 - Incorporated on 2 June 2009 
- SYDNEYWILLIAMSTELECOMMUNICATIONS LTDDisolved- 13758914 - Dissolved on 9 January 2024 
- SYDNEY PLACE LTD- 14031258 - Incorporated on 6 April 2022 
- SYDNEY & BLAKE LTD- 14958018 - Incorporated on 24 June 2023 
- LUNA AND SYDNEY LTDDisolved- 15257183 - Dissolved on 11 February 2025 
- SYDNEY BRIDGE LTDActive - Proposal to Strike off- 06733416 - Incorporated on 27 October 2008 
- SUVINI SYDNEY LTDActive - Proposal to Strike off- 10136544 - Incorporated on 20 April 2016 
- LONDON SYDNEY LTDActive - Proposal to Strike off- 10240531 - Incorporated on 20 June 2016 
- SYDNEY MARKET LTD- 16275677 - Incorporated on 25 February 2025 
- ALLAN SS LTDActive - Proposal to Strike off- 08580133 - Incorporated on 21 June 2013