- MR BRIAN LTDActive - Proposal to Strike off- 09246737 - Incorporated on 2 October 2014 
- JOHN O'BRIAN LTDDisolved- 09945387 - Dissolved on 1 July 2025 
- MR. BRIAN J.MEHIGAN- NI603817 - Incorporated on 19 July 2010 
- MR. JOHN NEEDisolved- NI610586 - Dissolved on 18 June 2024 
- MR DOUGLAS LIMITEDActive - Proposal to Strike off- 08798785 - Incorporated on 2 December 2013 
- JOHN DOUGLAS LIMITED- 05755394 - Incorporated on 24 March 2006 
- DOUGLAS BRIAN & ASSOCIATES LIMITEDActive - Proposal to Strike off- 08085308 - Incorporated on 28 May 2012 
- DOUGLAS AND JOHN LTDActive - Proposal to Strike off- 08548119 - Incorporated on 29 May 2013 
- IAN JOHN DOUGLAS LTDDisolved- 09475320 - Dissolved on 30 May 2023 
- TLCJ MR N A JOHNSON LIMITEDDisolved- 12680774 - Dissolved on 30 January 2024 
- BRIAN JOHN LIMITEDDissolved- SC622149 - Dissolved on 17 September 2019 
- MR AND MRS JOHNCOCK LTDDissolved- 09566798 - Dissolved on 8 May 2018 
- BRIAN JOHNSTON LTD- NI690014 - Incorporated on 28 July 2022 
- JOHN DOUGLAS (KENT) LTDDisolved- 07738349 - Dissolved on 28 June 2022 
- BRIAN JOHN HAINES LTDActive - Proposal to Strike off- 08769515 - Incorporated on 11 November 2013 
- BRIAN JOHNS LIMITED- 04596691 - Incorporated on 21 November 2002 
- MR PAUL BRIAN WATSON LTD- 13063879 - Incorporated on 6 December 2020 
- MR JOHN'S LIMITEDActive - Proposal to Strike off- 04692323 - Incorporated on 10 March 2003 
- MR NIGEL JOHN LTDActive - Proposal to Strike off- 15513862 - Incorporated on 22 February 2024 
- MR JOHN BROWN LTDDissolved- SC645267 - Dissolved on 22 June 2021