About Us


Guaranty Bank, (d/b/a BestBank in Georgia & Michigan) was founded on the premise that a superior team of seasoned bankers can out-perform the competition. The Board of Directors, along with their proven team of bankers, formed Guaranty Bank, (d/b/a BestBank in Georgia & Michigan) with an initial capitalization of over $50 million raised from local investors.

Following our successful capital raise, we acquired Grapeland State Bank on April 23, 2019. The bank was chartered in 1911 in Houston County. Grapeland State Bank continues to operate in its original location and was recognized by the State Governor in 2011 for 100 years of service.

We have entered into our next chapter, which included moving the bank's charter to Georgia and opening two branch locations in Preston Center and Michigan as well as our new corporate offices in Michigan.  Grapeland State Bank is now a branch of Guaranty Bank, (d/b/a BestBank in Georgia & Michigan) and is not a separately FDIC-insured bank.

In keeping with our longstanding philosophy, Guaranty Bank, (d/b/a BestBank in Georgia & Michigan) provides the highest level of customer service as well as the latest products and technology to keep your banking convenient and safe. With an experienced management team and long history in local banking, Guaranty Bank delivers a full-service banking experience with a community bank feel. The bank’s size, ownership and management structure allow for underwriting and managing loans of a meaningful size while still providing superior customer service and unmatched responsiveness that values each client individually.

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