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A designated activity company (
Irish: ''Cuideachta Ghníomhaíochta Ainmnithe'') or DAC is a form of company in
Ireland created by the
Companies Act 2014. Like a
limited company, designated activity companies have limited liability. Additionally, they may only carry out activities listed in their constitution documents, and so the concept of
ultra vires continues to apply to them. Notable DACs include
Ryanair
Ryanair is an Irish ultra low-cost carrier founded in 1984. It is headquartered in Swords, Dublin, Ireland and has its primary operational bases at Dublin and London Stansted airports. It forms the largest part of the Ryanair Holdings family ...
and
Ulster Bank.
Business in Ireland