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BankSonar

Great Midwest Bank, S.S.B.

Brookfield, WI · Insured depository institution

56

Sonar Score

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out of 100 · from public FDIC data

Reported March 31, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.

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Key figures

Total assets
$1.1B
Total deposits
$616.9M
Branches
9
Return on assets
0.99%
Return on equity
6.23%
Charter type
Insured depository institution
Established
1936
FDIC cert #
29657

How the 56 breaks down

Capital adequacyweight 40%

Capital ratio not reported.

Profitability (ROA)weight 30%

Modest but positive returns.

Return on equityweight 15%

Positive but moderate equity returns.

Scale & stabilityweight 15%

Mid-size institution.

Read the full Sonar Score methodology →

Your deposits at Great Midwest Bank, S.S.B.

Great Midwest Bank, S.S.B. is an FDIC-insured institution (Cert #29657). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →

9 branch locations

4775 S 27th St

Greenfield, WI 53221

1050 E Chestnut St

Chilton, WI 53014

600 Hartbrook Dr

Hartland, WI 53029

505 W Brown Deer Rd

Bayside, WI 53217

5150 S 76th St

Greendale, WI 53129

10269 W National Ave

West Allis, WI 53227

6702 Odana Rd

Madison, WI 53719

15900 W Bluemound Rd

Brookfield, WI 53005

1003 N Gammon Rd

Middleton, WI 53562

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