- RYAN GROUP LIMITED- 04412342 - Incorporated on 9 April 2002 
- HACKJACK LTDDissolved- 07373724 - Dissolved on 24 April 2012 
- L.HACKETT QS LTDDisolved- 12127359 - Dissolved on 26 December 2023 
- HS HACKNEY LTD- 13845133 - Incorporated on 12 January 2022 
- HACKLETT LTDDisolved- 13676358 - Dissolved on 16 July 2024 
- HACKASIA LTD- 16322631 - Incorporated on 18 March 2025 
- HACKNEYPARKSLEAGUES C.I.C.- 16349577 - Incorporated on 28 March 2025 
- HACKNEY PA LTDDisolved- 11819942 - Dissolved on 12 July 2022 
- HACKSAFE LTDActive - Proposal to Strike off- 09976041 - Incorporated on 28 January 2016 
- HACKETT UK LTD- 05170765 - Incorporated on 5 July 2004 
- HACKBASH LTD- 08303686 - Incorporated on 22 November 2012 
- HACKY LABS LTDActive - Proposal to Strike off- 09458315 - Incorporated on 25 February 2015 
- FS HACKNEY LTDActive - Proposal to Strike off- 12100697 - Incorporated on 12 July 2019 
- JL HACKETT LTDActive - Proposal to Strike off- 13775204 - Incorporated on 1 December 2021 
- HACKNESS LTDDisolved- 12920983 - Dissolved on 8 March 2022 
- ZY HACKETT LTDDisolved- 13598966 - Dissolved on 11 July 2023 
- HACKNEY JC LTD- 15844797 - Incorporated on 17 July 2024 
- ALFRED MCALPINE UTILITY SERVICES NW LIMITED- 00521510 - Incorporated on 7 July 1953 
- MR & MRS LARK LTDDissolved- 08146557 - Dissolved on 26 November 2019 
- HACK BUSINESS SOLUTIONS LTD- 12469747 - Incorporated on 18 February 2020