Ambac Financial Group, Inc. operates as a financial services holding company, providing financial guarantees across a wide international footprint, including the United States, the United Kingdom, Italy, Austria, Australia, and France. Its diverse offerings include financial guarantee insurance policies, specialty property and casualty program insurance, credit derivative agreements, and interest rate derivative transactions. Additionally, the company delivers managing general agency and underwriting services. Ambac was established in 1991 and maintains its corporate headquarters in New York, New York.