- RICHARD O'BRIEN- Born March 1991 - 2 FRAMPTON COURT, GORSEINON, SWANSEA, WALES, SA4 4ZD 
- RICHARD O'BRIEN- Born September 1963 - 222 WOLVERTON ROAD BLAKELANDS, MILTON KEYNES, BUCKINGHAMSHIRE, UNITED KINGDOM, MK14 5AB 
- RICHARD O'BRIEN- Born October 1979 - 2/1 11 BALIOL STREET, GLASGOW, SCOTLAND, G3 6UT 
- Richard, Mr & Mrs STREET- Born March 1949 - Suite F 1-3 Canfield Place, London, England, NW6 3BT 
- RICHARD O’BRIEN- Born September 1963 - INTEC 3 WADE ROAD, BASINGSTOKE, ENGLAND, RG24 8NE 
- RICHARD O BRIEN- Born February 1920 - 53 ABINGDON VILLAS, LONDON, W8 6XA 
- RICHARD O BRIEN- Born February 1920 - 53 ABINGDON VILLAS, LONDON, W8 6XA 
- O'BRIEN VARLEY CONSULTING LIMITEDDisolved- 06373208 - Dissolved on 4 April 2023 
- RICHARD O BRIEN- UNIT 14 IP CITY CENTRE, 1 BATH STREET, IPSWICH, SUFFOLK, ENGLAND, IP2 8SD 
- LJ O'BRIEN LTD- 08082294 - Incorporated on 24 May 2012 
- DF O'BRIEN LTD- 09262077 - Incorporated on 13 October 2014 
- MR RICHARDS- Born May 1961 - SHELWICK FARM SHELWICK, HEREFORD, UNITED KINGDOM, HR1 3AL 
- 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 
- 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