Mercantile Bank Corporation (NASDAQ: MBWM) is a Michigan-based bank holding company that provides commercial and retail banking services through two state-chartered bank subsidiaries: Mercantile Bank and Eastern Michigan Bank. It makes money primarily through the spread between interest earned on loans and interest paid on deposits, supplemented by fee-based banking services. The company operates 54 combined office locations across Michigan, with Mercantile Bank centered in the West and Central Michigan regions, including Grand Rapids, metropolitan Detroit, Traverse City, Petoskey, and Midland, and Eastern Michigan Bank headquartered in Croswell serving Eastern Michigan. The primary customer base is small- to medium-sized businesses, alongside retail banking customers. Deposits are FDIC-insured, and the banks offer commercial, construction, mortgage, and consumer loans alongside checking, savings, and time deposit accounts. As of the FY2025 10-K filed February 27, 2026, the company operates 16 ATMs and 37 video banking machines across its office network.

Revenue model

Net interest income from loans (commercial, construction, mortgage, consumer) and deposits (checking, savings, time deposits); supplemented by fee-based banking services.

Products and services

Commercial loans, construction loans, mortgage loans, consumer loans (secured and unsecured), checking accounts, savings accounts, time deposits, ATM and video banking services, online and personal-computer-based banking transactions.

Customers and end markets

Primary customers are small- to medium-sized businesses; secondary customer base is retail banking consumers across Michigan.

Value-chain role

Direct lender and deposit-taking institution; community and regional bank intermediary between depositors and borrowers.

Geographic exposure

Michigan-focused: West and Central Michigan (Grand Rapids headquarters), metropolitan Detroit area, Traverse City, Petoskey, Midland, and Eastern Michigan (Croswell). All 54 office locations are within Michigan as of FY2025.

Source: SEC 10-K, filed 2026-02-27

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