Search engine optimization comes in a number of variations. Enterprise SEO or Universal SEO attempts to target general search terms nationally, and in many cases, even internationally. Local SEO Firms, on the other hand, often work with local service providers to bring much needed attention to potential customers and client in their area. The local search engine optimization companies, also known as Location-Based SEO Agencies, listed below have proven results and are here to help you gain visibility in your location. The companies below have been reviewed based on a wide range of qualitative and quantitative statistics. In some cases, variable listing fees effect position on this list; however only highly-regarded firms are accepted through our review analysis. Learn more about our ranking process here.