- T ISAAC 7795 LTDActive - Proposal to Strike off- 10569357 - Incorporated on 18 January 2017 
- M & S ISAAC LTDActive - Proposal to Strike off- 10863982 - Incorporated on 13 July 2017 
- ISAAC Z LTDDisolved- 14781196 - Dissolved on 10 September 2024 
- S ISAAC LTD- 15333809 - Incorporated on 7 December 2023 
- J ISAAC LTD- 06384553 - Incorporated on 28 September 2007 
- C,ISAAC. LTDActive - Proposal to Strike off- 06701334 - Incorporated on 18 September 2008 
- P ISAAC LTDActive - Proposal to Strike off- 08603320 - Incorporated on 9 July 2013 
- ISAAC A LTD- 10065810 - Incorporated on 16 March 2016 
- ISAAC M LTDDisolved- 11875414 - Dissolved on 25 February 2025 
- S&T ISAAC LTD.- 10343345 - Incorporated on 24 August 2016 
- C & J ISAAC LTD- 16090828 - Incorporated on 20 November 2024 
- ISAAC SOLUTIONS LTD.Active - Proposal to Strike off- 06381965 - Incorporated on 26 September 2007 
- ISAAC & ISAACSON HOLDING LTD- 14884619 - Incorporated on 22 May 2023 
- DF ISAAC LTDDissolved- 10258802 - Dissolved on 13 November 2018 
- ISAACO LTDActive - Proposal to Strike off- 10453847 - Incorporated on 31 October 2016 
- D ISAACS LTDDisolved- 08562841 - Dissolved on 7 August 2024 
- R D A ISAACS LTDDissolved- 10325166 - Dissolved on 20 August 2019 
- ISAACW LTDActive - Proposal to Strike off- 12013854 - Incorporated on 23 May 2019 
- L ISAACS LTD- 12419468 - Incorporated on 22 January 2020 
- ISAAC KO LTD- 10435341 - Incorporated on 19 October 2016