- SIMON AND SIMON SOFTWARE LIMITEDDissolved- 06855935 - Dissolved on 5 October 2010 
- SIMON & SIMON SECURITY (NW) LIMITED- 07701114 - Incorporated on 12 July 2011 
- SIMON & SIMON SECURITY (UK) LIMITED- 07573697 - Incorporated on 22 March 2011 
- SIMON & SIMON PROPERTY SERVICES LIMITED- 12787590 - Incorporated on 3 August 2020 
- SIMON KAY 000127 LTDActive - Proposal to Strike off- 10020704 - Incorporated on 23 February 2016 
- SIMON'S WAY LTD- 11560641 - Incorporated on 10 September 2018 
- MTS SIMON LTDActive - Proposal to Strike off- 11251852 - Incorporated on 13 March 2018 
- A DE SIMONE LTD- 08108566 - Incorporated on 18 June 2012 
- SIMONCO LTDDissolved- 07515930 - Dissolved on 18 September 2012 
- SIMONAG LTD- 07881468 - Incorporated on 14 December 2011 
- EH SIMONS LTDLiquidation- 09477921 - Incorporated on 9 March 2015 
- SIMON SEZ LTDActive - Proposal to Strike off- 09588912 - Incorporated on 13 May 2015 
- SIMON MORELActive - Proposal to Strike off- 10851580 - Incorporated on 5 July 2017 
- SIMONA SY LTD- 13768603 - Incorporated on 26 November 2021 
- SIMONEE LTDDisolved- 13788442 - Dissolved on 14 May 2024 
- SIMONGB LTD- 12947883 - Incorporated on 13 October 2020 
- SIMON & MEI LTD- 13988463 - Incorporated on 19 March 2022 
- SIMON.COX LTD- 14761659 - Incorporated on 27 March 2023 
- SIMON ART LTD- 15098252 - Incorporated on 27 August 2023 
- SIMON SIU LTDDisolved- 08592927 - Dissolved on 27 May 2025