- MARK ANTHONY O'NEILL- Born September 1982 - 31 BEECH AVENUE, WHITCHURCH, UNITED KINGDOM, SY13 1UE 
- MARK ANTHONY NEILL- Born June 1963 - 4 BEIGHTON ROAD, WOODHOUSE, SHEFFIELD, S13 7PR 
- Mark Anthony O'NEILL- Born February 1958 - Supplemental Health Ltd Units D & F, Rich Industrial Estate, Avis Way, Newhaven, East Sussex, England, BN9 0DU 
- GARY ANTHONY O'NEILL- Born May 1965 - 71 COLE BANK ROAD, HALL GREEN, BIRMINGHAM, B28 8EZ 
- John Anthony O'NEILL- Born October 1986 - 2 Garratt Way, Thorne, Doncaster, England, DN8 5EW 
- NEILL ANTHONY ROSS- 61 MEADWAY, LONDON, NW11 6QJ 
- MARK ANTHONY O'NEILL- Born September 1982 - 31 BEECH AVENUE, WHITCHURCH, SHROPSHIRE, ENGLAND, SY13 1UE 
- JOHN ANTHONY O NEILL- Born April 1972 - 6 CHESTNUT WAY, QUARTER, HAMILTON, ML3 7FD 
- MARK ANTHONY O'NEILL- 111 BRIGHTON ROAD, NEWHAVEN, EAST SUSSEX, BN9 9NP 
- MARK ANTHONY NEILL- 1 SMITHYBROOK ROAD, RENISHAW, SHEFFIELD, SOUTH YORKSHIRE, UNITED KINGDOM, S21 3JS 
- KARL ANTHONY O'NEILL- HANOVER COURT 5 QUEEN STREET, LICHFIELD, STAFFORDSHIRE, ENGLAND, WS13 6QD 
- JOHN ANTHONY O'NEILL- THE COPPICE PHILPOT LANE, CHOBHAM, WOKING, SURREY, UNITED KINGDOM, GU24 8AP 
- RYAN O'NEILL LLP- OC327399 - Incorporated on 5 April 2007 
- E.H. O'NEILL & SONS LTDActive - Proposal to Strike off- 03175427 - Incorporated on 20 March 1996 
- RITA O'NEILL LTDActive - Proposal to Strike off- 09490601 - Incorporated on 14 March 2015 
- HUGH O'NEILL 2501 LTDActive - Proposal to Strike off- 10095620 - Incorporated on 31 March 2016 
- O'NEILL MTRS LTD- SC590187 - Incorporated on 2 March 2018 
- RYAN & O’NEILL LTDDisolved- 13235520 - Dissolved on 25 July 2023 
- Anthony, Mr. LEWIS- 6 The Courtyard, Llangwarren Letterston, Haverfordwest, Pembrokeshire, SA62 5UL 
- SS DUNCAN LTD- SC398701 - Incorporated on 3 May 2011