Bank Ergo Bank
Ergo Bank is a federally insured bank based in Markesan, Wisconsin.
- Type
- Bank
- Charter
- State-chartered commercial bank, not a Federal Reserve member
- Primary regulator
- FDIC
- Established
- January 20, 1910
- Headquarters
- Markesan, WI
- FDIC certificate #
- 10004
- Fed RSSD ID
- 599643
- Holding company
- Fs Bancshares Inc
- Website
- www.ergobank.com
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Ergo Bank operates 6 branch locations in Wisconsin. Select a state to drill down to its towns and individual branches.
Ownership
Ergo Bank is owned by Fs Bancshares Inc. See the full ownership & merger history.
Other banks in Wisconsin
Federally insured banks headquartered in Wisconsin, by total assets.
- Associated Bank, National Association $45.54B
- Nicolet National Bank $15.55B
- Johnson Bank $7.01B
- Bank First, N.A. $6.06B
- Town Bank, National Association $4.52B
- First Business Bank $4.32B
- John Deere Financial, f.s.b. $4.11B
- Lake Ridge Bank $3.33B
Similar-size banks
Institutions close to Ergo Bank’s $263.1M in assets.
- Greenville Federal $263.1M
- Marblehead Bank $263M
- Commercial State Bank, of Wagner $263M
- East Wisconsin Savings Bank $263M
- First Bank of Manhattan $263.3M
- Bank of Jamestown $262.8M