- Giles, Mr. BARKER- Born January 1967 - Swift House Ground Floor 18 Hoffmanns Way, Chelmsford, Essex, CM1 1GU 
- David, Mr. BARKER- Born March 1943 - 210-212 Manchester Road, Northwich, England, CW9 7NN 
- David, Mr. BARKER- Born March 1943 - 210-212 Manchester Road, Northwich, Cheshire, England, CW9 7NN 
- MR JAMES LIMITED- 12074753 - Incorporated on 28 June 2019 
- MR JAMES FILMS LTD- 14325884 - Incorporated on 30 August 2022 
- JAMES BARKER BELL LIMITEDDissolved- 02818445 - Dissolved on 10 May 2011 
- JAMES BARKER INTERNATIONAL LIMITEDActive - Proposal to Strike off- 09775504 - Incorporated on 14 September 2015 
- Victor, Mr. BARKER- Born April 1939 - Corunum 27 Bow Green Road, Bowdon, Altrincham, Cheshire, WA14 3LF 
- BARKER JAMES DEVELOPMENTS LIMITEDActive - Proposal to Strike off- 04973147 - Incorporated on 21 November 2003 
- BARKER JAMES GAMES LIMITEDActive - Proposal to Strike off- 10905615 - Incorporated on 8 August 2017 
- JAMES BARKER CONSULTANCY LIMITEDActive - Proposal to Strike off- 08276958 - Incorporated on 1 November 2012 
- MR STUART JAMES LTDActive - Proposal to Strike off- 11352025 - Incorporated on 9 May 2018 
- JAMES BARKER CONSULTING LTDDisolved- 11264636 - Dissolved on 15 April 2025 
- MR JAMES COLVILLE- NI613540 - Dissolved on 20 December 2016 
- MR. JAMES GERAGHTY- NI605368 
- WILLIAM JAMES SIMPSON LTDDisolved- SC724609 - Dissolved on 8 August 2023 
- MICHAEL JAMES SIMPSON LTDDisolved- 14815919 - Dissolved on 24 September 2024 
- JAMES SIMPSON ASSOCIATES LTD- SC804523 - Incorporated on 26 March 2024 
- JAMES SIMPSON SOLUTIONS LTDDisolved- 10324425 - Dissolved on 1 July 2025 
- JAMES T AND MRS S C G WALKER- SL000231 - Incorporated on 5 December 1977