- ISAAC JUNIOR LIMITEDDisolved- 13190382 - Dissolved on 20 June 2023 
- ISAAC CRUTCHLEY LIMITEDActive - Proposal to Strike off- 14273023 - Incorporated on 3 August 2022 
- ISAAC SIGNATURE LIMITED- 16501886 - Incorporated on 6 June 2025 
- JONES & ISAAC LIMITEDDisolved- 09855475 - Dissolved on 12 July 2025 
- ISAAC ORTHOPAEDICS LIMITED- 10060087 - Incorporated on 13 March 2016 
- ISAAC POULTON LIMITED- 12586745 - Incorporated on 5 May 2020 
- ISAAC RECYCLING LTDDisolved- 12888119 - Dissolved on 22 February 2022 
- GEORGE ISAAC LIMITEDDissolved- 12292902 - Dissolved on 29 June 2021 
- ISAAC INVESTMENT LIMITEDActive - Proposal to Strike off- 12427725 - Incorporated on 27 January 2020 
- ISAAC COURT LIMITEDActive - Proposal to Strike off- 08041746 - Incorporated on 23 April 2012 
- ISAAC AGENCY LIMITEDDissolved- 04635862 - Dissolved on 25 June 2013 
- PAULA ISAAC LIMITED- 09388015 - Incorporated on 14 January 2015 
- WHIZZ ISAAC LIMITEDActive - Proposal to Strike off- 08321643 - Incorporated on 6 December 2012 
- ISAAC TAYLOR LIMITEDActive - Proposal to Strike off- 08458830 - Incorporated on 22 March 2013 
- ISAAC HANNAH LIMITED- 09403985 - Incorporated on 23 January 2015 
- ISAAC INNOVATIONS LTDActive - Proposal to Strike off- 10627623 - Incorporated on 20 February 2017 
- DOROTHY & ISAAC LIMITEDDissolved- 10999417 - Dissolved on 16 July 2019 
- ISAAC FILMS LIMITEDActive - Proposal to Strike off- 11176841 - Incorporated on 30 January 2018 
- ISAAC MOTORS LIMITED- 13863428 - Incorporated on 21 January 2022 
- ISAAC GRACIE LIMITED- SC723289 - Incorporated on 16 February 2022