- ROGER STACK- Born March 1938 - 83 LENELBY ROAD, TOLWORTH, UNITED KINGDOM, KT6 7BG 
- David STACK- Born August 1976 - Willow Tree House St Annes Drive, Wokingham, Berkshire, England, RG40 1PB 
- SASHA STACK- Born February 1970 - 1 MANOR ROAD, WEST KINGSDOWN, KENT, TN15 6AQ 
- CATIE STACK- LITTLE AWEFIELD COTTAGE LITTLE AWEFIELD, UPTON-ST-LEONARDS, GLOUCESTER, GLOUCESTERSHIRE, UNITED KINGDOM, GL4 4DF 
- JANET STACK- OCCOMBE FARM PRESTON DOWN ROAD, PRESTON, PAIGNTON, DEVON, ENGLAND, TQ3 1RN 
- NIALL STACK- Born April 1972 - 5 OLD ESTUARY MILL, MALHIDE, CO. DUBLIN, IRELAND, K36 RR99 
- Terri STACK- Born June 1992 - C/O Fortis Accountancy Servies Limited 13t Queensway House, Queensway, Middlesbrough, United Kingdom, TS3 8TF 
- SALLY STACK- Born July 1982 - 51A CLARENDON GARDENS, WEMBLEY, ENGLAND, HA9 7QW 
- Brian STACK- Born June 1971 - 27 Elizabeth Mews, London, England, NW3 4UH 
- STACKX LTD- 11965637 - Incorporated on 26 April 2019 
- STACK.AI LTD- 16307725 - Incorporated on 11 March 2025 
- STACKE LTDDisolved- 14082272 - Dissolved on 10 October 2023 
- WE STACK LTDDisolved- 12363628 - Dissolved on 1 February 2022 
- ZX STACK LTDDisolved- 12762511 - Dissolved on 24 January 2023 
- STACKA LTDDisolved- 11026339 - Dissolved on 24 January 2023 
- STACK.JS LTDDisolved- 11125838 - Dissolved on 10 December 2024 
- STACKT LTD- 13394096 - Incorporated on 13 May 2021 
- OG STACK LTDActive - Proposal to Strike off- 13303214 - Incorporated on 30 March 2021 
- STACKI LTDDisolved- 12074358 - Dissolved on 5 December 2023 
- STACKZ LTDDisolved- 12355306 - Dissolved on 17 May 2022