Since its inception in 1998, Submit Express has helped thousands of companies with their search engine marketing (SEM) needs, from search engine submission to search engine optimization (SEO). To date, Submit Express has provided SEO service to over 5,000 companies and premium search engine submission service to over 25,000 companies. In addition, our site's free submission and webmaster tools section is one of the top destinations in the SEO industry, with over 20 million visitors to date.