- S R WALKER LTDDisolved- 13708024 - Dissolved on 22 February 2022 
- A WALKER LTD- 14012233 - Incorporated on 30 March 2022 
- A & F WALKER LTD- 14580529 - Incorporated on 9 January 2023 
- ZAMZAM (SAKU) LTD- 08641751 - Incorporated on 7 August 2013 
- CYBER SECURITY CLOUD LTD- 09617132 - Incorporated on 1 June 2015 
- MPS 21 LTDDissolved- 10264699 - Dissolved on 10 December 2019 
- MS2M LTDActive - Proposal to Strike off- 15685810 - Incorporated on 27 April 2024 
- 26 MS LTD- 02660042 - Incorporated on 4 November 1991 
- MS&D LTD- 08824403 - Incorporated on 23 December 2013 
- H20 MS LTD- 08420724 - Incorporated on 26 February 2013 
- MS +A LTD- 08711125 - Incorporated on 30 September 2013 
- MS (2018) LTDDissolved- 07142109 - Dissolved on 15 May 2012 
- MS1620 LTD- SC664041 - Incorporated on 12 June 2020 
- MS2.1 LTDDisolved- 12833488 - Dissolved on 9 November 2021 
- 365MS LTD- 10228590 - Incorporated on 13 June 2016 
- L J WALKER LTDDisolved- 14648591 - Dissolved on 12 September 2023 
- W.S WALKER LTDDisolved- SC726756 - Dissolved on 5 December 2023 
- G & D WALKER LTD- 04849814 - Incorporated on 29 July 2003 
- I WALKER LTDDisolved- 08076725 - Dissolved on 10 June 2025 
- H WALKER LTDActive - Proposal to Strike off- 07545291 - Incorporated on 28 February 2011