The Office of National Assessments (ONA) was an Australian statutory intelligence agency established by the Office of National Assessments Act 1977 as an independent statutory body directly accountable to the Prime Minister of Australia as a portfolio agency of the Department of the Prime Minister and Cabinet. ONA provided all-source assessments on international political, strategic and economic developments to the Prime Minister and the National Security Committee of Cabinet. ONA also played a coordination role in the Australian Intelligence Community through evaluating foreign intelligence products, convening the National Intelligence Coordination Committee, and developing relationships with intelligence agencies around world.