Keller Williams is the world's largest residential real estate franchise by agent count, and for good reason. Its agent-friendly business concept sets it apart and has left a positive impression on the global real estate industry. Each Keller Williams franchise is agent-owned and -operated, commissions are split at least 70/30, and the company rewards agents through profit-sharing. Its Keller Williams University training arm also offers online resources to keep agents ahead of the curve. Founded in 1983, the firm deals in both residential and commercial real estate and boasts 134,000 agents operating out of almost 800 market centers across the Americas, Europe, Africa, and Asia.