Aon plc (NYSE: AON) is a global corporation that provides insurance, reinsurance, risk management, investment banking, human resource solutions and outsourcing services. Aon has approximately 500 offices worldwide, serving 120 countries with 50,000 employees.
With roots that go back to 1918 and a small Detroit insurance agency, the modern company was created in 1982 when the Ryan Insurance Group merged with the Combined Insurance Company of America. In 1987, the company was renamed Aon, a Gaelic word meaning “oneness.”
Aon Affinity is the division of Aon that develops, markets and administers customized insurance programs. Aon Attorneys Advantage is the business unit of Aon Affinity that specializes in providing malpractice insurance for attorneys (also called errors and omissions liability insurance).