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- ARGO CITY LTD- 06841637 - Incorporated on 10 March 2009 
- ARGO MAIL LTDActive - Proposal to Strike off- 08577287 - Incorporated on 20 June 2013 
- ARGOS ATM LTD- 11388304 - Incorporated on 30 May 2018 
- ARGOLAK LTDActive - Proposal to Strike off- 09751161 - Incorporated on 27 August 2015 
- ARGOREX LTDDisolved- 15179666 - Dissolved on 26 March 2024 
- ARGOBUG LTD- 15642946 - Incorporated on 13 April 2024 
- ARGOS-INV LTD- 12065493 - Incorporated on 24 June 2019 
- ARGO UNIT LTD- 07333724 - Incorporated on 3 August 2010 
- KNBC ARGO LTDActive - Proposal to Strike off- 09742776 - Incorporated on 21 August 2015 - 12 Groveland Court, London, EC4M 9EH 
- ARGOS ATM LTD- 14887369 - Incorporated on 23 May 2023 
- ARGO TECH LTD- 13194516 - Incorporated on 10 February 2021 
- ECHO ARGO LTDDisolved- SC809161 - Dissolved on 22 July 2025 
- ARGO TRANSPORT LTDLiquidation- 08806114 - Incorporated on 6 December 2013 - Walworth Road, Andover, SP10 5LH 
- ARGOLIS LTDActive - Proposal to Strike off- 09706097 - Incorporated on 28 July 2015 
- ARGOMAS LTD- SC459076 - Incorporated on 13 September 2013 
- ARGO CARE LTDDisolved- 14684163 - Dissolved on 15 April 2025 
- DATA ARGO LTD- 16174805 - Incorporated on 10 January 2025 
- ARGOOSA LTD- 07345108 - Incorporated on 13 August 2010 
- ARGONON LTD- 07519138 - Incorporated on 7 February 2011