- MICHAEL JOHN TRAINING LIMITEDActive - Proposal to Strike off- 01997453 - Incorporated on 7 March 1986 
- MICHAEL JOHN DESIGN LIMITEDDisolved- 01628247 - Dissolved on 16 March 2022 
- JOHN MICHAEL PROPERTIES LTD- 05582870 - Incorporated on 4 October 2005 - 13 London Road, Bishop's Stortford, CM23 5NA 
- JOHN MICHAEL CAMPBELL LIMITED- 14239966 - Incorporated on 18 July 2022 
- JOHN MICHAEL HOLDINGS LTD- 14922631 - Incorporated on 8 June 2023 
- MICHAEL JOHN CONSULTING LTDDisolved- 07877741 - Dissolved on 7 February 2023 
- MICHAEL JOHN HALL LIMITEDDisolved- 11713381 - Dissolved on 28 June 2022 
- MICHAEL JOHN GRIFFITHS LTD- 10073298 - Incorporated on 21 March 2016 
- JOHN MICHAEL WOOD LIMITEDActive - Proposal to Strike off- 10969644 - Incorporated on 19 September 2017 
- MR JOHN INVEST LIMITEDDisolved- 07277737 - Dissolved on 16 November 2021 
- MR JOHN PILLOW LIMITEDDissolved- 09148892 - Dissolved on 2 January 2018 
- MR JOHN INTERNATIONAL LTD- 15732972 - Incorporated on 21 May 2024 
- MR DARRYL JOHN EVANS LTDDisolved- 15406074 - Dissolved on 17 June 2025 
- MR JOHNSTONE'S T.B LIMITEDActive - Proposal to Strike off- 08055187 - Incorporated on 2 May 2012 
- THE LAW CHIEF JUSTICE MR NEVILLE A. JOHNSON (UK) LIMITEDActive - Proposal to Strike off- 04585990 - Incorporated on 8 November 2002 
- ALCORN AND SONS LIMITEDActive - Proposal to Strike off- 09143895 - Incorporated on 23 July 2014 
- B&H ALCORN PROPERTIES LTD- SC786617 - Incorporated on 20 October 2023 
- MR JOHN KIMBELL LIMITEDDisolved- 12104025 - Dissolved on 24 December 2024 
- JOHN HERBERT GALLIMORE LTD- 13783336 - Incorporated on 6 December 2021 
- MR JOHN CONSULTING LIMITEDDisolved- 10226270 - Dissolved on 26 April 2022