- MICHAEL O'HALLORAN- Born April 1941 - LITTLEWORTH FARM, MIDDLE CLAYDON, BUCKINGHAM, BUCKS, MK18 2LA 
- SHEILA O'HALLORAN- Born March 1966 - 13 NORMANBY ROAD, DOLLIS HILL, LONDON, NW10 1BU 
- Iarla O'HALLORAN- Born June 1984 - 86-90 Paul Street, 3rd Floor, London, United Kingdom, EC2A 4NE 
- CHRISTOPHER O'HALLORAN- Born June 1973 - 104 CARNIE AVENUE, ELRICK, WESTHILL, SCOTLAND, AB32 6HT 
- Lorcan O'HALLORAN- Born July 1989 - 24 Cornhill, London, United Kingdom, EC3V 3ND 
- ANNE O'HALLORAN- Born February 1981 - FLAT 1, 140 EARLSFIELD ROAD, LONDON, ENGLAND, SW18 3DS 
- JONATHAN O'HALLORAN- Born April 1992 - 266-268 WICKHAM ROAD, SHIRLEY, CROYDON, UNITED KINGDOM, CR0 8BJ 
- BENEDICT O'HALLORAN- Born June 1942 - MILFORD HOUSE HILLESDEN ROAD, GAWCOTT, BUCKINGHAM, ENGLAND, MK18 4JF 
- REBECCA O'HALLORAN- SPA WELL COTTAGE, DELPH LANE WINWICK, WARRINGTON, CHESHIRE, WA2 0RG 
- MARK O'HALLORAN- MADISON HOUSE 1 CHURCH STREET, REIGATE, SURREY, RH2 0AA 
- MICHAEL O'HALLORAN- Born February 1990 - 41 KINGSTON STREET, CAMBRIDGE, CB1 2NU 
- Shaun O'HALLORAN- Born March 1968 - Midland Bridge House Midland Bridge Road, Bath, England, BA2 3FP 
- BRIAN O'HALLORAN- Born November 1979 - 17 COLLEGE COURT, STOCKPORT, CHESHIRE, UNITED KINGDOM, SK4 3RW 
- PETRINA O'HALLORAN- Born June 1983 - 18 MILTON ROAD, LONDON, ENGLAND, W3 6QA 
- Declan O'HALLORAN- Born July 1970 - 168 Church Road, Hove, England, BN3 2DL 
- RICHARD O'HALLORAN- 97 THAMES SIDE, STAINES, MIDDLESEX, TW18 2HF 
- SARAH O'HALLORAN- 21 BLOOMFIELD ROAD, BIRMINGHAM, UNITED KINGDOM, B13 9BZ 
- OPLA FRAGRANCE LTDDisolved- 13353121 - Dissolved on 3 December 2024 
- John, Mr. OWEN- Born March 1985 - Bizspace, Steel House Plot 4300, Solent Business Park, Whitely, Fareham, Hampshire, PO15 7FP 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025