- DAVID ISAAC LIMITEDActive - Proposal to Strike off- 11212713 - Incorporated on 19 February 2018 
- ISAAC OTIS LIMITED- 14151691 - Incorporated on 6 June 2022 
- ISAAC KNIGHTS LIMITEDDisolved- 14160135 - Dissolved on 14 November 2023 
- ISAAC PANDIT LIMITEDDisolved- 13591274 - Dissolved on 21 February 2023 
- TOMAS ISAAC LIMITEDActive - Proposal to Strike off- 07712253 - Incorporated on 20 July 2011 
- ISAAC CROSS & CO PROFESSIONAL TRAINING LIMITED- 08828144 - Incorporated on 31 December 2013 
- ISAAC ROSS LIMITEDActive - Proposal to Strike off- 08277326 - Incorporated on 1 November 2012 
- WHO IS ISAAC LIMITED- 11849772 - Incorporated on 27 February 2019 
- LAWRENCE ISAAC LTD- 10213279 - Incorporated on 3 June 2016 
- ISAAC LEVI LIMITEDDisolved- 11092255 - Dissolved on 13 December 2022 
- ISAAC TECH LIMITEDDisolved- 13929641 - Dissolved on 25 February 2025 
- ISAAC CORP LIMITEDDisolved- 13303819 - Dissolved on 2 July 2024 
- ISAAC HOLDINGS LTDActive - Proposal to Strike off- 11814735 - Incorporated on 8 February 2019 
- ISAAC SAUNDERS LTDDissolved- 06574463 - Dissolved on 26 January 2010 
- ISAAC'S EXCHANGE LTD.Dissolved- 07337315 - Dissolved on 13 March 2012 
- ISAAC APPS LIMITEDActive - Proposal to Strike off- 08719166 - Incorporated on 4 October 2013 
- S. P. ISAAC (BATH) LIMITED- 08300976 - Incorporated on 20 November 2012 
- ISAAC NOAH LIMITED- 09054063 - Incorporated on 23 May 2014 
- FOX TAYLOR ISAAC LLP- OC398988 - Incorporated on 23 March 2015 
- ISAAC TECH LIMITEDActive - Proposal to Strike off- 10457397 - Incorporated on 2 November 2016