Keller Williams was founded in the early 1980s by Gary Keller and Joe Williams as a residential real estate business, and the company has since grown into a broad real estate franchise network. Keller Williams focuses on agent services, property buying and selling, franchising, and related support offerings, including home loans and digital tools for clients and agents. The company serves a wide market presence in real estate through its agent network, listings platform, and education-oriented operating model.