- ISAAC'S TUITION LTDActive - Proposal to Strike off- 11720588 - Incorporated on 10 December 2018 
- HOUSE OF ISAACS LTDDissolved- 06679582 - Dissolved on 7 December 2010 
- KOL ISAAC LIMITED- 07505074 - Incorporated on 25 January 2011 
- ISAAC ADU LIMITED- 10348621 - Incorporated on 26 August 2016 
- ISAAC ESTATES LTD- 14310331 - Incorporated on 22 August 2022 
- VICTORIA MAYNARD & CO LTD- 15313297 - Incorporated on 28 November 2023 
- SMITH, SMITH & SMITH LTDDissolved- 04002736 - Dissolved on 5 November 2019 
- ISAAC SAM LIMITED- 12568188 - Incorporated on 22 April 2020 
- ISAAC TRADING LTDActive - Proposal to Strike off- 09943329 - Incorporated on 11 January 2016 
- J. ISAACS & CO. LIMITEDDisolved- 10607081 - Dissolved on 27 July 2021 
- ISAAC'S HOUSING LTD- 13694507 - Incorporated on 21 October 2021 
- SOPHIE ISAACS LTD- 14954408 - Incorporated on 22 June 2023 
- REBECCA ISAAC LTD- 15445958 - Incorporated on 26 January 2024 
- ISAAC AND WELLS LTD- 14951917 - Incorporated on 21 June 2023 
- ISAAC DIGITAL LTDDisolved- 15010373 - Dissolved on 17 September 2024 
- ABRAHAM ISAAC1 LTDDisolved- 13990159 - Dissolved on 3 October 2023 
- ISAACS RETAIL LTDDissolved- 06739895 - Dissolved on 22 June 2010 
- J ISAAC RECRUIT LTDActive - Proposal to Strike off- 07522713 - Incorporated on 9 February 2011 
- ISAAC ALI LIMITEDActive - Proposal to Strike off- 12151615 - Incorporated on 12 August 2019 
- BOAT ISAAC WOOD LTDDisolved- 12769472 - Dissolved on 4 January 2022