Keller Williams was founded in 1983 by Gary Keller and Joe Williams. It started out as a single office based in Austin, Texas, selling local residential real estate in the Austin area. After two years in business, Keller Williams became the largest single office residential real estate firm in Austin with 72 licensed agents.

Keller Williams continued expanding, the company launched Luxury Homes by Keller Williams, a division within the company that brokers luxury only real estate. In 2008, it launched KW Commercial, a division providing commercial real estate associates with specialized technology, marketing tools, and resources. The division is known for allowing agents to keep more commission splits. It also allowed profit sharing similar to residential agents. Currently, with more than 1,000 brokers nationally.