- JACK.S.K LTD- 14838957 - Incorporated on 2 May 2023 
- R&A JACK LTD- SC797330 - Incorporated on 31 January 2024 
- R B L JACK LTD- 07436293 - Incorporated on 11 November 2010 
- JACK 67 LTDDisolved- 08849271 - Dissolved on 12 April 2022 
- JACK 24/7 LTDDissolved- 12285213 - Dissolved on 6 July 2021 
- JACK D LTD- 10924434 - Incorporated on 21 August 2017 
- JACK176 LTD- SC650547 - Incorporated on 3 January 2020 
- 20 CASTLEDINE ROAD MANAGEMENT COMPANY LIMITED- 02543431 - Incorporated on 26 September 1990 
- RISSINGTON PROPERTY LIMITED- 08838718 - Incorporated on 9 January 2014 
- JACKLIN JACKS LIMITEDDisolved- 15030210 - Dissolved on 31 December 2024 
- CIRCLE LEAF LTD- 06180814 - Incorporated on 23 March 2007 
- GOAGAIN LONDON CENTRAL LTDActive - Proposal to Strike off- 08718788 - Incorporated on 4 October 2013 
- JACK JACK'S HOUSE LIMITED- 13517796 - Incorporated on 19 July 2021 
- JACKBEN LIMITED- NI053204 - Incorporated on 6 December 2004 
- G JACKSON (TAXATION) LTD- 07108811 - Incorporated on 18 December 2009 
- DUAN & DUAN UK LLP- OC427307 - Incorporated on 10 May 2019 
- JACK JOY INSURANCE LTD.- 07211028 - Incorporated on 1 April 2010 
- JAKBAT LTD- 09557453 - Incorporated on 23 April 2015 
- MEG & JACK LTD- 10537211 - Incorporated on 22 December 2016 
- AXEUM LIMITEDDissolved- 07093477 - Dissolved on 2 April 2019