- CENTRAL STEEL PICKLING LIMITED- 01701555 - Incorporated on 22 February 1983 
- ATA COMMERCIALS LTD.Active - Proposal to Strike off- 07148532 - Incorporated on 5 February 2010 
- ADVANCED MICROSTRUCTURES LIMITED- 09170853 - Incorporated on 11 August 2014 
- MANAGEMENT ATA LIMITEDActive - Proposal to Strike off- 14938167 - Incorporated on 15 June 2023 
- ATA MART LIMITEDDisolved- 14125012 - Dissolved on 24 October 2023 
- ATA SERVICES LIMITEDDissolved- 06845799 - Dissolved on 23 February 2010 
- ATA DESIGN LIMITED- 07330726 - Incorporated on 29 July 2010 
- SOLAR ATA LIMITED- NI613152 - Incorporated on 12 June 2012 
- ATA SYSTEMS LIMITEDDisolved- 05852889 - Dissolved on 4 January 2022 
- ATA TEXTILE LIMITEDActive - Proposal to Strike off- 07241572 - Incorporated on 4 May 2010 
- ATA TICARET LIMITEDActive - Proposal to Strike off- 07720160 - Incorporated on 27 July 2011 
- ATA CONSULTING LIMITEDActive - Proposal to Strike off- 07462508 - Incorporated on 7 December 2010 
- TAWANA-ATA LIMITEDActive - Proposal to Strike off- 07654480 - Incorporated on 1 June 2011 
- ATA FUSION LIMITEDActive - Proposal to Strike off- 07695059 - Incorporated on 6 July 2011 
- ATA TRAINING LIMITEDDissolved- 08445967 - Dissolved on 23 August 2019 
- INSPIRE ATA LIMITED- 06278125 - Incorporated on 13 June 2007 
- ATA TYRES LIMITEDDissolved- 04822226 - Dissolved on 9 August 2011 
- ATA MARKETS LIMITEDDissolved- 12275585 - Dissolved on 6 July 2021 
- TRANSLINE ATA LIMITEDActive - Proposal to Strike off- 10185039 - Incorporated on 17 May 2016 
- ATA ONLINE LIMITED- 10239628 - Incorporated on 20 June 2016