Keller Williams Realty is the world's largest real estate franchise - with more than 186,000 real estate agents operating in 975 offices across the globe. Founded in 1983 by Gary Keller and Joe Williams, Keller Williams has been among the fastest growing real estate franchises in the industry since its founding. The franchise now holds the Number One spot in units and sales volume in the United States. Our mission is simple: to build careers worth having, businesses worth owning, and lives worth living for our associates.