In 2016, Neptune Flood Insurance was created by merging technology, math algorithms, and insurance expertise into an innovative flood insurance product. The result was affordable coverage for thousands of Americans – delivered in an effortless, intuitive and on-demand platform. It’s backed by some of the largest insurance markets in the world. Neptune Flood Insurance is backed by some of the largest insurance markets in the world. They are significant players in the U.S. market and are rated “A” (Excellent) or better by A.M. Best. With this financial stability, Neptune feels confident in waterproofing people’s lives day in and day out with high limits and additional coverages.