November 20, 2017
VIA EDGAR
United States Securities and Exchange Commission
Division of Corporation Finance
100 F Street, NE
Washington, D.C. 20549
Attention: David Lin
Re: First Business Financial Services, Inc.
Request for Acceleration of Effectiveness of Form S-3
SEC File No. 333-221387 (“Registration Statement”)
Dear Mr. Lin:
On behalf of First Business Financial Services, Inc., as registrant, the undersigned officer hereby requests that the effective date for the Registration Statement, as amended, be accelerated so that it will be declared effective at 3:00 p.m. (Washington, D.C. time) on Wednesday, November 22, 2017.
The staff should feel free to contact Robert M. Fleetwood of Barack Ferrazzano Kirschbaum & Nagelberg LLP, the registrant’s legal counsel, at (312) 629-7329 with any questions or comments.
| Very truly yours, |
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| First Business Financial Services, Inc. |
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| /s/ Edward G. Sloan Jr. |
| Edward G. Sloane, Jr |
| Chief Financial Officer |
