Contact Us

At 1st Security Bank, we try to build lasting relationships with our customers. From deposits to loan solutions, our friendly staff makes it a priority to work with our customers to find the best solution available.



Shawn Dutton, Executive Vice President

Kerri Marking, Cashier

Tracey Green, Assistant Vice President

Michelle Gravenhof, Assistant Vice President

Main Office

401 Main Street
Roundup, MT 59072

Mailing Address
P.O. Box 100
Roundup, MT 59072




Email Us

You can reach First Security Bank of Roundup by email using the form below. Please note that this is not a secure form. For your protection, do not use this form to enter personal or confidential information such as account numbers, social security numbers, passwords or PINs.

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