THE KELLER WILLIAMS BELIEF SYSTEM At the core of Keller Williams Realty is a conviction that who you are in business with matters. We believe that the company we keep can contribute to our lives in untold ways. To help cement this understanding, we’ve formalized a belief system called the WI4C2TS that guides how we treat each other and how we do business. Our Vision To be the real estate company of choice for agents and their customers. Our Values God, Family, then Business.