Who is Next Insurance? AM Best Rated "A" Next Insurance is a full-stack insurance carrier born in Silicon Valley. We sell small business policies in all 50 states and across over 1000+ professional classes of businesses. In less than 3 years, we’ve insured over 60,000 businesses, have attained over $50M written premium run rate, and have one of the highest NPS scores in the country. Our investors include the best in the business: AmericanExpress, Nationwide, Markel, and Munich Re.