Two early years services are being shut down for "persistent and serious" breaches of regulations.
The Home from Home Crèche in Greystones, and the Oblate Fathers Community Crèche in Dublin 8 will have to close within 21 days.
As the Dublin crèche is a non-profit serving a highly disadvantaged area, steps are being taken to potentially keep it running under new management.
Tusla says it acknowledges the impact the closures will have on parents, children and staff, but added both providers were given every opportunity to make improvements.
The current operators of both crèches can appeal the decision.