- ZACK LIMITEDActive - Proposal to Strike off- 09517738 - Incorporated on 30 March 2015 
- ZACK UK LIMITEDDissolved- 04203626 - Dissolved on 10 September 2013 
- ZACK LABELS LTD- 12041724 - Incorporated on 10 June 2019 
- ZACKBAMBA LTD- 09552148 - Incorporated on 21 April 2015 
- ZACK DESIGN LTD- 10506344 - Incorporated on 1 December 2016 
- RAMIN ZACKS LTD- 15466663 - Incorporated on 5 February 2024 
- ZACK LIMITEDDisolved- 11717651 - Dissolved on 11 August 2024 
- REUBEN FOUNDATION- 04481304 - Incorporated on 9 July 2002 
- VOLUME HAIRDRESSERS LIMITED- 05749547 - Incorporated on 21 March 2006 
- ZACK AUTOS LTDActive - Proposal to Strike off- 10743935 - Incorporated on 27 April 2017 
- ZACKOTTO LTDDisolved- 15200616 - Dissolved on 25 March 2025 
- KEVIN-ZACK LTD- SC794537 - Incorporated on 9 January 2024 
- ZACKCHUG LTD- 14099335 - Incorporated on 10 May 2022 
- DANNY & ZACK LTDActive - Proposal to Strike off- 08186335 - Incorporated on 21 August 2012 
- REUBEN ASH LTD- 05296962 - Incorporated on 25 November 2004 
- ZACK AUTOS LTD- 13357700 - Incorporated on 26 April 2021 
- ZACK O'TOOLE LTDDisolved- 11964287 - Dissolved on 13 December 2022 
- YAHYA&ZACK LTDActive - Proposal to Strike off- 15787942 - Incorporated on 19 June 2024 
- ZACKEDGE LTD- 16436398 - Incorporated on 8 May 2025 
- REUBEN & RYE LTD- 09059538 - Incorporated on 28 May 2014