The authority says results for the first half of the year show that Ireland won 115 projects, compared to 110 between January and June in 2015.
Investments approved so far this year will lead to the creation of 9,100 jobs.
The I.D.A. says while there is a potential opportunity from Brexit, the outcome of the vote on global investments is so far unknown, but staff are engaging with all 1,200 overseas companies supported here.
