For more than 150 years, customers have trusted us to protect what matters most to them. Great American Insurance Group’s roots go back to 1872 with the founding of its flagship company, Great American Insurance Company. Our innovative and specialized insurance solutions are designed to serve niche marketplaces that we know well. With our deep expertise and financial strength, we have laid a foundation of success that has stood the test of time.Based in Cincinnati, Ohio, the operations of Great American Insurance Group are engaged in property and casualty insurance. With more than 30 specialty property and casualty insurance businesses, we’re well-positioned to offer tailored insurance solutions to meet businesses’ unique needs.Great American Insurance Company has received an "A" (Excellent) or higher rating from the AM Best Company for 115 years (most recent rating evaluation of "A+" (Superior) affirmed December 11, 2025). The members of Great American Insurance Group are subsidiaries of American Financial Group, Inc. (AFG), also based in Cincinnati, Ohio.