- KSD SOFTWARE UK LIMITED- 04831867 - Incorporated on 14 July 2003 
- ISI SOFTWARE UK LIMITEDDissolved- 10621055 - Dissolved on 5 February 2019 
- FYI SOFTWARE (UK) LIMITED- 14829231 - Incorporated on 26 April 2023 
- UKPA SOFTWARE LIMITED- 15206411 - Incorporated on 12 October 2023 
- SCO SOFTWARE (UK) LIMITED- 04738730 - Incorporated on 17 April 2003 
- MRO SOFTWARE, UK LIMITEDDissolved- 01276626 - Dissolved on 24 July 2012 
- ASH SOFTWARE (UK) LIMITEDDissolved- 06845760 - Dissolved on 21 October 2014 
- PPA SOFTWARE (UK) LIMITED- 03420646 - Incorporated on 18 August 1997 
- MIL SOFTWARE UK LIMITEDActive - Proposal to Strike off- 07566653 - Incorporated on 16 March 2011 
- IMX SOFTWARE UK LIMITED- 04341628 - Incorporated on 17 December 2001 
- RSG SOFTWARE UK LIMITEDDisolved- 12217437 - Dissolved on 17 January 2023 
- GIG SOFTWARE (UK) LIMITED- 15670505 - Incorporated on 23 April 2024 
- RIB SOFTWARE (UK) LIMITED- 04322112 - Incorporated on 14 November 2001 
- AMP SOFTWARE (UK) LIMITEDDissolved- 06166001 - Dissolved on 29 March 2011 
- ITM SOFTWARE UK LIMITEDDissolved- 05175121 - Dissolved on 1 June 2010 
- SOFTWAREONE UK LIMITED- 06629601 - Incorporated on 25 June 2008 
- PAM SOFTWARE (UK) LIMITEDLiquidation- 05078235 - Incorporated on 19 March 2004 
- AIA SOFTWARE UK LIMITEDDisolved- 04390978 - Dissolved on 2 May 2022 
- ISN SOFTWARE UK LIMITED- 07295254 - Incorporated on 24 June 2010 
- GUI SOFTWARE UK LIMITEDDissolved- 03049172 - Dissolved on 26 June 2010