Guaranty Bancorp is a bank holding company headquartered in Denver, Colorado. Guaranty is the parent to its bank subsidiary, Guaranty Bank & Trust Company. Guaranty operates throughout northern and central Colorado with target markets in the greater Denver metropolitan area, Boulder, Fort Collins, and Greeley. Guaranty provides banking and other financial services to consumers and small- to medium-sized businesses and provides wealth management solutions, including trust and investment management services, through its two solely-owned investment management firms.