NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) has assigned insurance financial strength ratings (IFSR) of A- with a Stable Outlook to the key operating subsidiaries of United Insurance Holdings Corp. (NASDAQ: UIHC) – American Coastal Insurance Company; Family Security Insurance Company, Inc.; Interboro Insurance Company; and United Property & Casualty Insurance Company (collectively referred to as UPC Insurance). Additionally, KBRA has assigned an issuer rating of BBB- with a S