- A J ISAAC LIMITEDActive - Proposal to Strike off- 13435958 - Incorporated on 3 June 2021 
- ISAAC29 LIMITED- 09767913 - Incorporated on 8 September 2015 
- SAM ISAACS & CO. LTD- 11834686 - Incorporated on 19 February 2019 
- ISAAC G LIMITED- 09578782 - Incorporated on 7 May 2015 
- ISAAC GRILL LTDActive - Proposal to Strike off- 11209255 - Incorporated on 16 February 2018 
- ISAACDART LTDDisolved- 14171290 - Dissolved on 21 November 2023 
- ISAAC CHILI LTD- 15095453 - Incorporated on 24 August 2023 
- D.ISAAC AND SON LTDDisolved- 15154574 - Dissolved on 4 March 2025 
- ISAAC BUILD LTDDisolved- 15301799 - Dissolved on 29 April 2025 
- ISAAC ELLIS'S LTDDisolved- 15315613 - Dissolved on 27 August 2024 
- ALICE ISAAC LTD- 16272351 - Incorporated on 24 February 2025 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- ISAAC MEDIA LTD- 06977780 - Incorporated on 31 July 2009 
- ISAAC 2008 LIMITED- 09523441 - Incorporated on 2 April 2015 
- B K ISAACS SONS LTD- 08801103 - Incorporated on 3 December 2013 
- ISAAC BLAKE LTD- 15926130 - Incorporated on 30 August 2024 
- FAIR ISAAC (UK) LLP- OC371092 - Incorporated on 28 December 2011 
- LUKAS ISAAC LTD- 09791914 - Incorporated on 23 September 2015 
- PETER ISAAC LTDDissolved- 10633187 - Dissolved on 3 December 2019 
- ISAAC CAREW LTDLiquidation- 10235385 - Incorporated on 16 June 2016