- ATAB LIMITEDDisolved- 15397924 - Dissolved on 22 April 2025 
- ATAS LIMITEDDissolved- 06893922 - Dissolved on 23 August 2011 
- ATAA LIMITED- 03370294 - Incorporated on 14 May 1997 
- ATAR LIMITED- 06194888 - Incorporated on 30 March 2007 
- ATA (UK) LIMITED- 07221443 - Incorporated on 13 April 2010 
- ATAS 46 LIMITED- 16060892 - Incorporated on 5 November 2024 
- WEALTHIFY GROUP LIMITED- 07853934 - Incorporated on 21 November 2011 
- NADDLE MANAGEMENT LIMITED- 02683697 - Incorporated on 3 February 1992 
- EDMO LIMITED- 01369366 - Incorporated on 18 May 1978 
- CONTRACTOR ATA LIMITEDActive - Proposal to Strike off- 10037724 - Incorporated on 2 March 2016 
- ATA BROTHERS LIMITEDDisolved- 11566911 - Dissolved on 13 May 2025 
- ATA MARKETING LIMITED- 12601691 - Incorporated on 14 May 2020 
- ATA INVESTMENT LIMITEDDisolved- 12797977 - Dissolved on 10 December 2024 
- ATA (HOLDINGS) LIMITEDDissolved- 05556710 - Dissolved on 16 March 2010 
- ASTRAL ATA LIMITED- 08052282 - Incorporated on 1 May 2012 
- ATA FINANCIAL LIMITED- 08089126 - Incorporated on 30 May 2012 
- ATA CONSULTANCY LIMITEDActive - Proposal to Strike off- SC429862 - Incorporated on 7 August 2012 
- ATA BRISTOL LIMITEDDissolved- 06865695 - Dissolved on 9 November 2010 
- ATA BYGG LIMITEDActive - Proposal to Strike off- 07393503 - Incorporated on 30 September 2010 
- ATA FOOD LIMITEDDissolved- 08223199 - Dissolved on 22 March 2016