- JAMES HARRISON RACING LIMITEDDisolved- 06721089 - Dissolved on 26 September 2023 
- JAMES HARRISON ENGINEERING LTDActive - Proposal to Strike off- 05974093 - Incorporated on 20 October 2006 
- HARRISON JAMES PARTNERSHIP LTD- SC365838 - Incorporated on 22 September 2009 
- HARRISON JAMES (SHROPSHIRE) LTD- 14799429 - Incorporated on 13 April 2023 
- HARRISON JAMES PROPERTIES LTD- 13161603 - Incorporated on 27 January 2021 
- RUPERT JADE LTD- 08404235 - Incorporated on 14 February 2013 
- DENNIS AND MCCOWEN LIMITEDDissolved- 02598636 - Dissolved on 19 January 2010 
- JAMES HARRISON CONSULTANCY LTD- 05855848 - Incorporated on 23 June 2006 
- HARRISON JAMES MOTORS LIMITEDDisolved- 14763981 - Dissolved on 3 September 2024 
- HARRISON JAMES AUTOMOTIVE LTD- 09622055 - Incorporated on 3 June 2015 
- HARRISON JAMES RECRUITMENT LTDDisolved- 14251907 - Dissolved on 26 December 2023 
- RUPERT DAVID LTD.- 05466147 - Incorporated on 27 May 2005 
- MR JAMESON CLOTHING LIMITEDActive - Proposal to Strike off- 09713037 - Incorporated on 31 July 2015 
- RUPERT 10 LIMITEDActive - Proposal to Strike off- 09715878 - Incorporated on 3 August 2015 
- RUPERT 4 LIMITEDDisolved- 09715885 - Dissolved on 5 September 2023 
- RUPERT MEDIA LTD- 10326132 - Incorporated on 11 August 2016 
- RUPERT JONES LTD- 13431547 - Incorporated on 1 June 2021 
- RUPERT'S CANDY LTD- 15300265 - Incorporated on 21 November 2023 
- RUPERTSPURGEON LTD- 14653292 - Incorporated on 9 February 2023 
- RUPERT LEWIS LTD- 15099872 - Incorporated on 28 August 2023