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- GET STACKED LTD- SC609025 - Incorporated on 25 September 2018 
- STACKSALE LTDDisolved- 13433139 - Dissolved on 20 December 2022 
- ZEBRA STACK LTD- 12089435 - Incorporated on 6 July 2019 
- TINY STACKS LTDActive - Proposal to Strike off- 09630944 - Incorporated on 9 June 2015 
- NUTRI STACK LTDActive - Proposal to Strike off- 11087256 - Incorporated on 29 November 2017 
- STACKBACK LTD- 11070069 - Incorporated on 17 November 2017 
- RIGHT STACK LTD- 11301314 - Incorporated on 10 April 2018 
- QUARK STACK LTD- 12345500 - Incorporated on 3 December 2019 
- STACKZOEL LTDDisolved- 13720379 - Dissolved on 30 January 2024 
- STACK 360 LIMITEDDisolved- 13773629 - Dissolved on 16 January 2024 
- STACK LINK UK LTD- 13897337 - Incorporated on 7 February 2022 
- STACKZONE LTD- 14029998 - Incorporated on 6 April 2022 
- STACKWAVE LLP- OC446685 - Incorporated on 3 April 2023 
- STACKBLOQ LTDDisolved- 14482858 - Dissolved on 31 December 2024 
- STACK 'N' SLICE LTDDisolved- 15370610 - Dissolved on 29 April 2025 
- POWER STACK LTD- 15664534 - Incorporated on 20 April 2024 
- SWIFT STACK LTD- 16163428 - Incorporated on 5 January 2025 
- STACK EAGLE LTD- 16084228 - Incorporated on 17 November 2024 
- H-STACK MEDIA LTD- 16367102 - Incorporated on 4 April 2025