- AMBROSE TECHNOLOGY LTDDisolved- 12890955 - Dissolved on 30 January 2024 
- AMBROSE TELECOMS LTDDisolved- 13426154 - Dissolved on 1 November 2022 
- AMBROSE PROJECTS LIMITED- 13289295 - Incorporated on 24 March 2021 
- MELBOURNE AMBROSE LIMITED- 13871387 - Incorporated on 25 January 2022 
- AMBROSE CONSULTANCY LIMITED- SC735257 - Incorporated on 13 June 2022 
- AMBROSE INSTALLATIONS LTDDisolved- 15503952 - Dissolved on 29 April 2025 
- AMBROSE LAND LIMITED- 15264428 - Incorporated on 6 November 2023 
- AMBROSE CONSTRUCTION LTDDisolved- 12944236 - Dissolved on 20 December 2022 
- AMBROSE ASSOCIATES LTD- 16107575 - Incorporated on 28 November 2024 
- AMBROSE PROPERTY LTD- 16282691 - Incorporated on 28 February 2025 
- AMBROSE ASSOCIATES LIMITEDActive - Proposal to Strike off- 03518313 - Incorporated on 27 February 1998 
- AMBROSE ELECTRONICS LIMITED- 04341806 - Incorporated on 18 December 2001 
- AMBROSE SECURITIES LIMITED- 06534726 - Incorporated on 14 March 2008 
- AMBROSE TRUSTEES LIMITED- 06469798 - Incorporated on 10 January 2008 
- AMBROSE WILSON LIMITED- 00144766 - Incorporated on 5 September 1916 
- CAVENDISH & AMBROSE LIMITEDLiquidation- 02613073 - Incorporated on 21 May 1991 
- AMBROSE ESTATES LIMITEDDisolved- 06004481 - Dissolved on 12 July 2025 
- AMBROSE ACTIVITY LIMITED- 06415982 - Incorporated on 2 November 2007 
- AMBROSE MORGAN LIMITEDDissolved- 07098735 - Dissolved on 14 January 2014 
- AMBROSE TRAINING LTDDissolved- 07073345 - Dissolved on 14 April 2015