- JAMES STACK & CO LTD- 06997067 - Incorporated on 21 August 2009 
- STACKSHORE LTD- 11533339 - Incorporated on 23 August 2018 
- STACK SOCIAL LTD- 12844054 - Incorporated on 28 August 2020 
- FAZZY'S STACKS LTDDisolved- 12875732 - Dissolved on 15 February 2022 
- GAMING STACK LTDDisolved- 11427581 - Dissolved on 19 October 2021 
- STACKGENIC LTD- 12021623 - Incorporated on 29 May 2019 
- STACKOPOLY LTD- 12094774 - Incorporated on 10 July 2019 
- STACKNETIC LTDDisolved- 12323101 - Dissolved on 30 April 2024 
- MARKET STACK LTDDisolved- 13432082 - Dissolved on 20 December 2022 
- FULL STACK VIP LTDActive - Proposal to Strike off- 13399347 - Incorporated on 14 May 2021 
- THE GOOD STACK LTDDisolved- 13127556 - Dissolved on 27 June 2023 
- BINARY STACK LTDDisolved- 13289428 - Dissolved on 14 March 2023 
- LOCKED STACK LTD- 13279985 - Incorporated on 21 March 2021 
- STACKOFBYTES LTDDisolved- 13235772 - Dissolved on 9 August 2022 
- STACK ASSETS LTDDisolved- 13174876 - Dissolved on 11 April 2023 
- STACKERGYM LTDDisolved- 14181037 - Dissolved on 21 November 2023 
- STACKARONI LTD- SC752045 - Incorporated on 1 December 2022 
- KAREEM STACK LTDDisolved- 14975211 - Dissolved on 3 December 2024 
- ORANGE STACK LTD- 15471175 - Incorporated on 7 February 2024 
- STACK OFFICE LTD- SC799417 - Incorporated on 16 February 2024