Start-up Entrepreneur Programme (STEP) Ireland

The Start-up Entrepreneur Programme (STEP) was introduced by the Irish Government in 2012 to allow for innovative entrepreneurs to apply for permission to establish their business and reside in Ireland on a full-time basis.

Source:
https://www.irishimmigration.ie/coming-to-work-in-ireland/what-are-my-options-for-working-in-ireland/coming-to-work-for-more-than-90-days/start-up-entrepreneur-programme-step/