- GROWTH HACK MEDIA LTDActive - Proposal to Strike off- 11818466 - Incorporated on 11 February 2019 
- HACK UP BESPOKE LTDLiquidation- 10586595 - Incorporated on 27 January 2017 
- LEARN HACK SECURE LIMITEDDisolved- 14094945 - Dissolved on 17 October 2023 
- THE SCALE HACK LTDDisolved- 14067646 - Dissolved on 26 September 2023 
- BIO HACK HEALTH LTDDisolved- 15426765 - Dissolved on 1 July 2025 
- FULL-HACK DEVELOPER LTD- SC822020 - Incorporated on 7 September 2024 
- GWAREX HOLDINGS LIMITED- 02165120 - Incorporated on 16 September 1987 
- HACKSAW LTD- 07266844 - Incorporated on 27 May 2010 
- HACKNEY UTCLiquidation- 07722672 - Incorporated on 29 July 2011 
- HACKER & CO. LTD- 09581858 - Incorporated on 8 May 2015 
- HACKITY LTD- 08680703 - Incorporated on 6 September 2013 
- HACKOME LTDActive - Proposal to Strike off- 09354098 - Incorporated on 15 December 2014 
- DEBT HACKER- 11286435 - Incorporated on 3 April 2018 
- HACKERONE B.V.- FC034507 - Incorporated on 1 June 2017 
- U7 HACKNEY LTDActive - Proposal to Strike off- 13605466 - Incorporated on 6 September 2021 
- T.A HACKNEY LTDDisolved- 14997969 - Dissolved on 17 December 2024 
- RYAN R LEE LTDActive - Proposal to Strike off- 11297024 - Incorporated on 6 April 2018 
- RYAN LED LTDDissolved- 09844192 - Dissolved on 6 July 2021 
- MPJ RYAN LTDActive - Proposal to Strike off- 10363693 - Incorporated on 7 September 2016 
- RYAN PPS LTD- SC573682 - Incorporated on 15 August 2017