National Treasury Management Agency, Dublin, rehired Mercer to provide investment consulting, pension financial advisory and pension administration services for its staff pension fund, said a spokesman.
The NTMA provides asset and liability management services to the Irish government. Its 2013 annual report said the staff defined benefit plan had €75.9 million ($84.9 million) in assets as of March 31.
An announcement on the Office of Government Procurement for Ireland website said the contract was awarded to Mercer (Ireland) Ltd. on May 1. A search was launched in July.