Independent reference built on public SBA FOIA loan data. Not affiliated with the U.S. Small Business Administration.

SBA Loan Index

SBA lender profile

Oak Bank

Oak Bank appears in the public SBA loan data with 34 funded 7(a) loans totaling $17.9M, an average of $526K per loan, and an estimated 671 jobs supported. Its SBA lending concentrates in Wisconsin and the Professional and Technical Services sector. Across all of its loans in the data, its charge-off rate is 0.0%.

By Mario Bailey · Source: SBA FOIA 7(a) and 504 data, as of 2026-03-31

Funded loans
34
Total volume
$17.9M
Average loan size
$526K
Charge-off rate
0.0%
Share of funded loans charged off
Jobs supported (reported)
671
Programs
7(a)

Bank profile

via FDIC
Total assets
$201M
Headquarters
Chicago, IL
FDIC cert
#20226
Status
Inactive

Where Oak Bank lends

Top states by funded SBA volume.

StateLoansTotal volume
Wisconsin 34 $17.9M

What Oak Bank funds

Top industries by funded SBA volume.

Oak Bank SBA lending by year

Fiscal yearLoansTotal volume
20204$1.6M
20217$5.5M
202211$3.0M
20232$437K
20241$275K
20254$2.3M
20265$4.8M
Sources and disclaimer. All figures are computed from the U.S. Small Business Administration's public FOIA 7(a) and 504 loan data (as of 2026-03-31), as described in our methodology. The charge-off rate is the share of Oak Bank's funded loans marked charged off across all of its loans in the data; it is not a lifetime default rate. SBA Loan Index is not affiliated with the SBA and is not a lender, broker, or financial advisor. This is general information, not advice.

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