<SEC-DOCUMENT>0001521951-18-000046-index.html : 20180514
<SEC-HEADER>0001521951-18-000046.hdr.sgml : 20180514
<ACCEPTANCE-DATETIME>20180514121346
ACCESSION NUMBER:		0001521951-18-000046
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180331
FILED AS OF DATE:		20180514
DATE AS OF CHANGE:		20180514
EFFECTIVENESS DATE:		20180514

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:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-15585
		FILM NUMBER:		18829441

	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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<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>a033118form13finformationt.xml
<DESCRIPTION>INFORMATION TABLE
<TEXT>
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