The Private Security Authority (PSA) said it conducted 369 inspections in the first six months of 2011, targeting 42 towns and cities.
Compliance rates were high, with 95% of people properly licensed and 85% wearing their identify badge, as required by law.
“Prosecutions are the end result of our enforcement teams investigations into noncompliance with licensing requirements,” said chief executive Geraldine Larkin.
* Waterford District Court, January 14: Colm Power was convicted of providing door supervisor services without a PSA licence at Harvey’s Bar, Waterford.
* Athlone District Court, March 4: Paul Cronin, Tullamore, convicted of providing door services without a licence at Club S in Moate, Co Westmeath.
* Portlaoise District Court, April 15: Nicholas Kavanagh, Portlaoise, got probation act for continuing to provide door services after licence expired.
* Athlone District Court, April 27: Seamus Guinan, Ferbane, Co Offaly, was convicted on 18 counts of providing door services without a licence.
* Athlone District Court, June 22: Thomas Conlon Ltd, operator of Q Night Club in Athlone, was prosecuted for employing an unlicensed door supervisor.
* Dunshaughlan District Court, February 1: Noel Marsh, Lynx Alarms was convicted on installing alarms without a licence.
* Kells District Court, March 11: Ivan Maxwell, Max Security Services, convicted of providing security services without a licence.
* Dublin District Court, February 7: Newdex Ltd, Dublin, convicted of providing security services without a licence.
* Dublin District Court, May 18: Noel Fitzpatrick, Oaklawn Security Services, Dublin, convicted of providing security guard services without a licence.