- JO O'BRIEN LTD- 08293977 - Incorporated on 14 November 2012 
- KL O'BRIEN LTDActive - Proposal to Strike off- 10268691 - Incorporated on 8 July 2016 
- S O'BRIEN & CO LTD- 10576858 - Incorporated on 23 January 2017 
- O'BRIEN'S (SW) LTD- 14817454 - Incorporated on 20 April 2023 
- DA O'BRIEN LTDDisolved- 12956298 - Dissolved on 1 August 2023 
- DANIEL JOHN BUILDING CONTRACTORS LTDLiquidation- 07629865 - Incorporated on 11 May 2011 
- O'BRIENS FITNESS C.I.C.Active - Proposal to Strike off- 08633301 - Incorporated on 1 August 2013 
- NF O'BRIEN LTD- NI680541 - Incorporated on 5 July 2021 
- O'BRIEN HR LTD- SC802227 - Incorporated on 8 March 2024 
- MR NEVILLE ALPHONSO JOHNSON & MRS JULIE LYNN DOLAN (THE ANVIL PLACE) WALMLEY UK LIMITEDActive - Proposal to Strike off- 08021904 - Incorporated on 5 April 2012 
- O'BRIEN S &CO LTDActive - Proposal to Strike off- 10281627 - Incorporated on 15 July 2016 
- O’BRIEN PM LTD- 15405176 - Incorporated on 11 January 2024 
- BELLWAY DEERS LEAP (BUXTON PLOT 8 AND 38 SUTTON COLDFIELD) UK PLCActive - Proposal to Strike off- 07255721 - Incorporated on 17 May 2010 
- JOHN DANIELS BUILDERS LIMITED- 08005430 - Incorporated on 26 March 2012 
- DANIEL JOHNSON ENTERTAINMENT LTDActive - Proposal to Strike off- 07898361 - Incorporated on 5 January 2012 
- JOHNATHAN DANIEL MARK LIMITEDDissolved- 07159871 - Dissolved on 5 June 2012 
- MR JOHNSON'S PETCARE LIMITED- 07328314 - Incorporated on 28 July 2010 
- NIC O'BRIEN LTDDisolved- 14427080 - Dissolved on 26 March 2024 
- SUE O'BRIEN LTDDissolved- 08253402 - Dissolved on 4 December 2018 
- O'BRIENS EA LTDDissolved- 10201503 - Dissolved on 5 November 2019