- AINSWORTH ENGINEERING LTDDissolved- 10905942 - Dissolved on 24 September 2019 
- AINSWORTH NOMINEES LTD- 11104852 - Incorporated on 11 December 2017 
- HARDY AINSWORTH LIMITED- 15646305 - Incorporated on 14 April 2024 
- WOODPLUMPTON ACCOUNTING LTD- 05863571 - Incorporated on 30 June 2006 
- NEIL.WILLOX.NEIL LTDDissolved- SC601075 - Dissolved on 22 June 2021 
- AINSWORTH INSULATION LIMITED- 03819961 - Incorporated on 5 August 1999 
- NORTH WEST LOGISTICS LTD- 06895946 - Incorporated on 5 May 2009 
- AINSWORTH ACOUSTICS & INSULATION LIMITEDActive - Proposal to Strike off- 03820025 - Incorporated on 5 August 1999 
- LL SERVICES LIMITED- 05361634 - Incorporated on 11 February 2005 
- O'NEILL O T LTDActive - Proposal to Strike off- 08029047 - Incorporated on 13 April 2012 
- O'NEILL & O'NEILL LIMITEDLiquidation- 07571012 - Incorporated on 21 March 2011 
- J & L AINSWORTH LIMITED- 10225247 - Incorporated on 10 June 2016 
- NEVIL AINSWORTH LTDDisolved- 13469642 - Dissolved on 29 April 2025 
- SCOTT AINSWORTH LTD- 10880314 - Incorporated on 24 July 2017 
- PETER AINSWORTH LTDDisolved- 14501507 - Dissolved on 30 April 2024 
- AINSWORTH CIVILS & ENGINEERING LIMITED- 05214712 - Incorporated on 25 August 2004 
- AINSWORTH ENTERPRISES LIMITEDActive - Proposal to Strike off- 07095791 - Incorporated on 4 December 2009 
- AINSWORTH CAPITAL LIMITED- 07300332 - Incorporated on 30 June 2010 
- AINSWORTH-HIDES LIMITED- 07918728 - Incorporated on 20 January 2012 
- AINSWORTH PROPERTY LTDActive - Proposal to Strike off- 06113768 - Incorporated on 19 February 2007