- DANIEL JOHN O'BRIEN LTDDisolved- 12463665 - Dissolved on 29 March 2022 
- DANIEL R O'BRIEN O0060 LTDDisolved- 04846894 - Dissolved on 26 November 2024 
- DANIEL SEAN O'BRIEN LTD.Disolved- 11219672 - Dissolved on 20 June 2023 
- MR. JOHN NEEDisolved- NI610586 - Dissolved on 18 June 2024 
- O'BRIEN & IVANOVIC LTD- 05713975 - Incorporated on 17 February 2006 
- DANIEL O'BRIEN INNOVATIONS LIMITEDDissolved- 08185773 - Dissolved on 26 September 2017 
- John Michael, Mr. O'BRIEN- Born March 1964 - Collins Farm, Forest Green, Dorking, RH5 5RX 
- John Michael, Mr. O'BRIEN- Born March 1964 - Collins Forest Green, Dorking, Surrey, United Kingdom, RH5 5RX 
- John Michael, Mr. O'BRIEN- Born March 1964 - Hitachi Consulting Uk Limited 2 More London Riverside, London, England, SE1 2AP 
- John Michael, Mr. O'BRIEN- Born March 1964 - Harmsworth House 13-15 Bouverie Street, London, England, EC4Y 8DP 
- JOHN DANIEL LTDActive - Proposal to Strike off- 11476756 - Incorporated on 22 July 2018 
- John Michael, Mr. O'BRIEN- Born March 1964 - 2 Hitachi Consulting Uk Ltd, 2 More London Riverside, London, London, United Kingdom, SE1 2AP 
- JOHN O'BRIEN ESTATES LTD- 07180209 - Incorporated on 5 March 2010 
- TLCJ MR N A JOHNSON LIMITEDDisolved- 12680774 - Dissolved on 30 January 2024 
- MR AND MRS JOHNCOCK LTDDissolved- 09566798 - Dissolved on 8 May 2018 
- Steve, Mr. O'BRIEN- Born January 1974 - 11 Parkwood Close, Tunbridge Wells, Kent, United Kingdom, TN2 3SX 
- Ronan, Mr. O'BRIEN- Born May 1987 - Taxassist Accountants, Screenworks, Office 218 22 Highbury Grove, London, United Kingdom, N5 2EF 
- James, Mr. O'BRIEN- Born June 1976 - 577 Tanworth Lane, Shirley, Solihull, England, B90 4JE 
- DANIEL JOHNS LTDLiquidation- 08559585 - Incorporated on 6 June 2013 
- JOHN O'BRIEN REMOVALS LTD- 07885852 - Incorporated on 19 December 2011