# EDGAR Filing Document

**Accession Number:** 0001521951
**File Stem:** 0001104659-23-026039
**Filing Date:** 2023-2
**Character Count:** 2066
**Document Hash:** 7ac16ef9dca0454c1de29ccc61fd0dba
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-23-026039.hdr.sgml**: 20230330

**ACCESSION NUMBER**: 0001104659-23-026039

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230227

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIRST BUSINESS FINANCIAL SERVICES, INC.
- **CENTRAL INDEX KEY:** 0001521951
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **IRS NUMBER:** 391576570
- **STATE OF INCORPORATION:** WI
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**BUSINESS ADDRESS:**
- **STREET 1:** 401 CHARMANY DRIVE
- **CITY:** MADISON
- **STATE:** WI
- **ZIP:** 53719
- **BUSINESS PHONE:** 608-238-8008

**MAIL ADDRESS:**
- **STREET 1:** 401 CHARMANY DRIVE
- **STREET 2:** PO BOX 44961
- **CITY:** MADISON
- **STATE:** WI
- **ZIP:** 53744

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** First Business Financial Services, Inc.
- **DATE OF NAME CHANGE:** 20110527

**FIRST BUSINESS FINANCIAL SERVICES, INC.<br> 401 Charmany Drive<br> Madison, WI 53719<br> Ph: (608) 238-8008**

February 27, 2023

***<u>VIA EDGAR</u>***

United States Securities and Exchange Commission

Division of Corporate Finance

100 F Street, NE

Washington, D.C. 20549

RE: First Business Financial Services, Inc. (the "Company")<br> Registration Statement on Form S-3<br> File No. 333-263296

Ladies and Gentlemen:

In accordance with Rule 461 under the Securities Act of 1933, as amended, the undersigned respectfully requests that the effective date of the above-referenced Registration Statement be accelerated so that the same will become effective at 4:00 p.m., Washington, D.C. time, on March 2, 2023, or as soon thereafter as is practicable.

If you have any questions concerning this request, please do not hesitate to contact the Company's outside counsel, C.J. Wauters, Godfrey & Kahn, S.C., at (414) 287-9663.

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| |
|:---|
| Very truly yours, |
| FIRST BUSINESS FINANCIAL SERVICES, INC. |
| /s/ Edward G. Sloane, Jr. |
| Edward G. Sloane, Jr. |
| Chief Financial Officer |

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