A new 'super ministry' merging the functions of four public service departments will established on July 1, Government has confirmed.
Economic Development minister Steven Joyce is set to head the Ministry of Business, Innovation and Employment.
It will bring together the functions of the Ministry of Economic Development, Ministry of Science and Innovation, Department of Labour and Department of Building and Housing.
The merger was aimed at opening up new opportunities for business, Mr Joyce said.
"The Government is committed to building a more competitive and productive economy, that will grow more and bigger businesses so that we are better able to afford the sort of society we aspire to.