<SEC-DOCUMENT>0001521951-19-000022-index.html : 20190315
<SEC-HEADER>0001521951-19-000022.hdr.sgml : 20190315
<ACCEPTANCE-DATETIME>20190315090316
ACCESSION NUMBER:		0001521951-19-000022
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		21
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190315
DATE AS OF CHANGE:		20190315
EFFECTIVENESS DATE:		20190315

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34095
		FILM NUMBER:		19683148

	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
</SEC-HEADER>
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<FILENAME>def14aproxystmt2019.htm
<DESCRIPTION>DEF 14A
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Document 1 - file: def14aproxystmt2019.htm

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Document 2 - file: a2011mbugher400dpica02.jpg

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<FILENAME>a2012jharris400dpic.jpg
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Document 3 - file: a2012jharris400dpic.jpg

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<FILENAME>bothsignaturesa01.jpg
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Document 4 - file: bothsignaturesa01.jpg

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<FILENAME>carolsanders.jpg
<TEXT>
Document 5 - file: carolsanders.jpg

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<FILENAME>cchambasa01.jpg
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Document 6 - file: cchambasa01.jpg

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<FILENAME>csanders.jpg
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Document 8 - file: csanders.jpg

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<TEXT>
Document 9 - file: dolszewski.jpg

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Document 10 - file: evalgraphic.jpg

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Document 11 - file: fblogoa02.jpg

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Document 12 - file: jeddy400dpic2010.jpg

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Document 13 - file: jkilcoyne2018photo.jpg

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Document 14 - file: kentlorenz.jpg

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Document 15 - file: lapsignature2.jpg

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<FILENAME>lbenson.jpg
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Document 16 - file: lbenson.jpg

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Document 17 - file: proxycardpage1page1.jpg

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Document 18 - file: proxycardpage1page2.jpg

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Document 19 - file: rkauten.jpg

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Document 20 - file: square2.jpg

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<SEQUENCE>21
<FILENAME>tkeane.jpg
<TEXT>
Document 21 - file: tkeane.jpg

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