- MR JOHN PARKER LTDActive - Proposal to Strike off- 07479327 - Incorporated on 29 December 2010 
- T&A HALLORAN LLPDissolved- OC303217 - Dissolved on 23 February 2010 
- HALLORAN LTDDisolved- 14923678 - Dissolved on 1 July 2025 
- JOHN O'HALLORAN- Born February 1938 - 13 EARLSWOOD, ORTON BRIMBLES, PETERBOROUGH, CAMBS, PE2 5UG 
- JOHN O'HALLORAN- Born February 1969 - POLDARK TRELIGGA DOWNS, DELABOLE, UNITED KINGDOM, PL33 9DQ 
- O'HALLORAN'S LLPDissolved- OC345291 - Dissolved on 6 December 2011 
- DERMOT LIMITED- 04950537 - Incorporated on 3 November 2003 
- MR NEVILLE JOHNSON (THE SUN GIRLSX 1560) X TENNYSON TLCJ (B10 8HA) UK PLCActive - Proposal to Strike off- 07298511 - Incorporated on 29 June 2010 
- DR. DERMOT LOWE- NI607499 - Incorporated on 19 May 2011 
- IRE DERMOT LTD.Dissolved- 11150407 - Dissolved on 25 June 2019 
- DERMOTIK LTDDisolved- 13992083 - Dissolved on 22 August 2023 
- JOHN HALLORAN- Born July 1968 - 92 WOODLANDS FARM ROAD, ERDINGTON, BIRMINGHAM, WEST MIDLANDS, UNITED KINGDOM, B24 0PQ 
- JOHN O`HALLORAN- Born January 1952 - 3 CHACOMBE PLACE, KNOTTY GREEN, BEACONSFIELD, BUCKINGHAMSHIRE, HP9 2WS 
- MR JOHN SAMMERS LTDDissolved- 08055273 - Dissolved on 29 October 2013 
- MR MIKE JOHNSON LTDDisolved- 16039968 - Dissolved on 11 March 2025 
- MR JOHN BURROWS LTD- 15023523 - Incorporated on 24 July 2023 
- DERMOT BRUCE MR GORDON- Born December 1944 - 24 WESTMINSTER PARK, PORTSTEWART, CO LONDONDERRY, BT55 
- John HALLORAN- Born February 1958 - 13 Clifton Grove, Kettering, Northamptonshire, NN15 7NB 
- JOHN O`HALLORAN- Born January 1952 - 3 CHACOMBE PLACE, KNOTTY GREEN, BEACONSFIELD, BUCKINGHAMSHIRE, HP9 2WS 
- John HALLORAN- Born July 1968 - 91 Hollyfield Road, Sutton Coldfield, West Midlands, England, B75 7SE