Elite SEM has a lot of different offices throughout the United States, and some of their main offices are in New York City, Atlanta, Los Angeles, and Austin. Unlike a lot of their competitors, Elite SEM actually has a very high client retention rate. At last count, their client retention rate is at 94%. Although they are considered to be the best SEO agency in the industry, they do provide a lot of other services for their clients, and some of their more popular services are search engine optimization, paid search, performance display, conversion rate optimization, shopping & feed, and paid social.