- ATA & SONS LIMITEDActive - Proposal to Strike off- 09765164 - Incorporated on 7 September 2015 
- MCCULLOCH ATA LIMITED- SC472644 - Incorporated on 17 March 2014 
- ATA RESPONSE LIMITED- 09058002 - Incorporated on 27 May 2014 
- ATA PROPERTIES LIMITED- 09110739 - Incorporated on 1 July 2014 
- ATA ACCOUNTANTS LIMITED- 11009312 - Incorporated on 12 October 2017 
- ATA MEDICAL LIMITED- 12926606 - Incorporated on 4 October 2020 
- ATA CLASSICS LIMITED- 13047917 - Incorporated on 27 November 2020 
- NOVUM ATA LIMITED- 14702719 - Incorporated on 3 March 2023 
- ATA CONSTRUCS LIMITEDDisolved- 15417034 - Dissolved on 20 May 2025 
- FORWARD INDUSTRIAL PRODUCTS GROUP LIMITED- 03341583 - Incorporated on 27 March 1997 
- FIRMA NICAND PLASTIC PRODUCTS LIMITED- 00850082 - Incorporated on 25 May 1965 
- RD ENGINEERING MERCHANTS LTDDissolved- 02822438 - Dissolved on 7 July 2010 
- PROVEN ENERGY LIMITEDActive - Proposal to Strike off- SC071400 - Incorporated on 9 May 1980 
- ROCKPOOL INC LIMITED- 03211032 - Incorporated on 12 June 1996 
- ATA RAIL LTD- 11803208 - Incorporated on 4 February 2019 
- ATAHUB LTDActive - Proposal to Strike off- 10024914 - Incorporated on 24 February 2016 
- ATA ANA UK LTDActive - Proposal to Strike off- 10089392 - Incorporated on 30 March 2016 
- ATAYEB LTDDisolved- 12619844 - Dissolved on 13 August 2024 
- ATABIL LTD- 12648230 - Incorporated on 5 June 2020 
- ATAPAW LTDActive - Proposal to Strike off- 11980344 - Incorporated on 7 May 2019