Our History

Behind every great success story is a
great beginning.

In 2014 Mercantile Bank and Firstbank Corporation merged to form the fourth largest Michigan-based bank by deposit market share, but our roots go deep into each of the local communities we serve. Both organizations have a history of local decision making combined with unparalleled customer service, creating premier community banks known throughout Michigan.

Firstbank Corporation

In 1985 Bank of Alma, with roots in the Alma, Michigan community dating back into the 1800's, formed a holding company known as Firstbank Corporation. Firstbank quickly grew in the coming years with the addition of banks in Mt. Pleasant, Lakeview, and West Branch. The holding company founded a newly chartered bank for the St. Johns market in 2000. Another fine community bank in Kalamazoo, Keystone Community Bank, was added in 2005. Ionia County National Bank joined the family in 2007 to complete a branch network, using the names Firstbank and Keystone, stretching from southwest Michigan through central and northern Michigan.

Mercantile Bank of Michigan

Mercantile Bank of Michigan was founded in 1997 by Directors and Bankers who firmly believe in the same principles: that customers, employees, and the communities they live in, are best served by financial institutions with local ties. Mercantile has a strong and extensive commercial banking presence in Grand Rapids and West Michigan and offers innovative technology products that are second to none.

And today, as we look into the future, we believe that our shared belief in mutually beneficial relationship banking on both the consumer and corporate levels is key to strengthening the communities we serve. This belief will enable us to deliver our services in a way that truly sets us apart from our competitors.

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Find a Mercantile Branch

Find a Mercantile Branch

Our Locations
Call Mercantile at 800.453.8700

Call Mercantile at 800.453.8700

Call Center Hours Monday - Friday 8:00am - 6:00pm Saturday 9:00am - 1:00pm

24-Hour Telephone Banking: 866.242.6410

TTY/TDD: 866.242.6415

Email Mercantile

Email Mercantile

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Routing Transit #: 072413829
SWIFT Code: MEMIUS33