In 1736, Berregaard was appointed as
hofjunker. In the same year, he became a councillor (
kommiteret) in kammerkollegiet. In 1771, he became a councillor (
deputeret) in Admiralitets- og Kommissariatskollegiet. In 1753, he was also appointed as a Supreme Court justice. In 1759, he became director of the Poor Authority (
De Fattiages Værn). In 1763, he became director of the Økonomi- og Kommercekollegiet. In 1767, he became 1st Councillor in Ekstraskattekommissionen. In 1769, he was appointed as president of the Supreme Court. ==Property==