    <SEC-DOCUMENT>0001025835-18-000108-index.html : 20181102
    <SEC-HEADER>0001025835-18-000108.hdr.sgml : 20181102
    <ACCEPTANCE-DATETIME>20181101205045
    ACCESSION NUMBER:		0001025835-18-000108
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		22
    CONFORMED PERIOD OF REPORT:	20181101
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20181102
    DATE AS OF CHANGE:		20181101

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ENTERPRISE FINANCIAL SERVICES CORP
    		CENTRAL INDEX KEY:			0001025835
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		IRS NUMBER:				431706259
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-15373
    		FILM NUMBER:		181155356

    	BUSINESS ADDRESS:
    		STREET 1:		150 NORTH MERAMEC
    		STREET 2:		150 NORTH MERAMEC
    		CITY:			CLAYTON
    		STATE:			MO
    		ZIP:			63105
    		BUSINESS PHONE:		3147255500

    	MAIL ADDRESS:
    		STREET 1:		150 NORTH MERAMEC
    		STREET 2:		150 NORTH MERAMEC
    		CITY:			CLAYTON
    		STATE:			MO
    		ZIP:			63105

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ENTERBANK HOLDINGS INC
    		DATE OF NAME CHANGE:	19961024
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a2018-11announcement.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: a2018-11announcement.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-2.1
    <SEQUENCE>2
    <FILENAME>ex21mergeragreement110118.htm
    <DESCRIPTION>EXHIBIT 2.1
    <TEXT>
    Document 2 - file: ex21mergeragreement110118.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>3
    <FILENAME>ex991pressrelease.htm
    <DESCRIPTION>PRESS RELEASE
    <TEXT>
    Document 3 - file: ex991pressrelease.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>4
    <FILENAME>ex992presentation.htm
    <DESCRIPTION>INVESTOR PRESENTATION
    <TEXT>
    Document 4 - file: ex992presentation.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>pressreleaseimage1.jpg
    <TEXT>
    Document 5 - file: pressreleaseimage1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>pressreleaseimage2.jpg
    <TEXT>
    Document 6 - file: pressreleaseimage2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>ex992presentation001.jpg
    <TEXT>
    Document 7 - file: ex992presentation001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>ex992presentation002.jpg
    <TEXT>
    Document 8 - file: ex992presentation002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>ex992presentation003.jpg
    <TEXT>
    Document 9 - file: ex992presentation003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>ex992presentation004.jpg
    <TEXT>
    Document 10 - file: ex992presentation004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>ex992presentation005.jpg
    <TEXT>
    Document 11 - file: ex992presentation005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>ex992presentation006.jpg
    <TEXT>
    Document 12 - file: ex992presentation006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>ex992presentation007.jpg
    <TEXT>
    Document 13 - file: ex992presentation007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>ex992presentation008.jpg
    <TEXT>
    Document 14 - file: ex992presentation008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>ex992presentation009.jpg
    <TEXT>
    Document 15 - file: ex992presentation009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>ex992presentation010.jpg
    <TEXT>
    Document 16 - file: ex992presentation010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>ex992presentation011.jpg
    <TEXT>
    Document 17 - file: ex992presentation011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>ex992presentation012.jpg
    <TEXT>
    Document 18 - file: ex992presentation012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>ex992presentation013.jpg
    <TEXT>
    Document 19 - file: ex992presentation013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>ex992presentation014.jpg
    <TEXT>
    Document 20 - file: ex992presentation014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>ex992presentation015.jpg
    <TEXT>
    Document 21 - file: ex992presentation015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>ex992presentation016.jpg
    <TEXT>
    Document 22 - file: ex992presentation016.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>