United Business Bank, operating as the primary banking subsidiary of BayCom Corp, was established through a series of strategic community banking initiatives, foundational leadership groupings, and regulatory charters in California. The bank's formation and historical governance involved experienced commercial banking directors, legal experts in financial services, and corporate founders—such as Lloyd W. Kendall, Jr. and subsequent executive leadership teams—who structured its multi-state expansion across California, Washington, Colorado, New Mexico, and Nevada to cater specifically to mid-sized businesses and commercial real estate clients.