- R T ARMSTRONG LTD- 04659963 - Incorporated on 10 February 2003 
- R & S ARMSTRONG LTD- 14824001 - Incorporated on 24 April 2023 
- ARMSTRONG 22 LTD- 14029481 - Incorporated on 6 April 2022 
- SIMON & SIMON LIFESTYLE LIMITEDLiquidation- 07927030 - Incorporated on 27 January 2012 
- C L ARMSTRONG LTD- 08801480 - Incorporated on 4 December 2013 
- A ARMSTRONG LTD- 11887252 - Incorporated on 18 March 2019 
- J R ARMSTRONG LTDActive - Proposal to Strike off- 10680611 - Incorporated on 21 March 2017 
- P H ARMSTRONG LTD- 11218201 - Incorporated on 21 February 2018 
- B&P.ARMSTRONG LTDDisolved- 13125323 - Dissolved on 21 December 2021 
- 96 ARMSTRONG LTD- 14938960 - Incorporated on 15 June 2023 
- SIMON & SIMON (STRATEGY) LTDActive - Proposal to Strike off- 11261821 - Incorporated on 19 March 2018 
- SIMONA LP- SL019693 - Incorporated on 24 February 2015 
- J SIMON LTDActive - Proposal to Strike off- 10818800 - Incorporated on 14 June 2017 
- SIMON 2017 LTD- 11723234 - Incorporated on 12 December 2018 
- SIMON P P LTDActive - Proposal to Strike off- 12228852 - Incorporated on 26 September 2019 
- SIMON K LTDDisolved- 13418099 - Dissolved on 25 October 2022 
- JHU TRADING LTD- 10230043 - Incorporated on 14 June 2016 
- SIMON & SIMON SECURITY LIMITEDLiquidation- 03838284 - Incorporated on 8 September 1999 
- SIMON & SIMON RETAIL LIMITEDDissolved- 09706226 - Dissolved on 11 December 2018 
- SIMON & SIMON FASHION LIMITEDActive - Proposal to Strike off- 10346902 - Incorporated on 25 August 2016