Keller Williams began in 1983 as a real estate company built around an agent-centric model and has grown into a franchise network with a broad U.S. and international presence. The company supports residential real estate transactions for buyers and sellers, along with rental search, agent search, franchising, and training programs. Keller Williams also emphasizes coaching, technology, and business development tools for real estate professionals. Keller Williams operates as a franchise company with independently owned and operated offices.