Moz, formerly known as SEOmoz, is a software as a service company that provides tools and resources for search engine optimization (SEO) and online marketing. Their main product is Moz Pro, a suite of SEO tools that help businesses improve their search engine rankings and visibility. They also offer resources such as blog posts, guides, and webinars to help educate and inform marketers about SEO best practices. Founded in 2004, Moz has become a leading authority in the SEO industry and is trusted by businesses of all sizes to help them optimize their online presence.