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Our Yarmouth branch will close at noon on Friday 7/19 and remain closed on Saturday 7/20 for the Yarmouth Clam Festival. The drive-up video teller is available normal hours. We apologize for the inconvenience. See nearby locations.


Katie Grant

VP, Commercial Banker

Small Business Team

India Street
1 India Street, Portland, ME
(207) 221-8454

Serving Portland and surrounding areas

Katie has been on a path to helping local businesses succeed since she started at GSB in 2006. She helped pioneer the bank’s LaunchPad program and was inspired by Maine’s entrepreneur community. Katie joined the Business Banking team in 2015 as a Credit Analyst and soon transitioned to Portfolio Loan Officer.

Katie has a knack for seeing the big picture. She believes in her customers and enjoys helping turn a loan request into reality. She holds a business degree from the University of Southern Maine with a concentration in corporate finance. Katie is a force for good in the community, serving as a volunteer Board Member for Day One.