UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported)
November 8, 2007

ENTERPRISE FINANCIAL SERVICES CORP
(Exact name of registrant as specified in its charter)

Delaware  001-15373  43-1706259 
(State or Other Jurisdiction  (Commission  (IRS Employer 
of Incorporation)  File Number)  Identification No.) 

150 N. Meramec, St. Louis, Missouri   63105 
(Address of principal executive offices)   (Zip Code) 

Registrant’s telephone number, including area code
(314) 725-5500

Not applicable
(Former name or former address, if changed since last report) 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o   Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o   Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o   Pre-commencement communications pursuant to Rule 13e-4© under the Exchange Act (17 CFR 240.13e-4(c))

 


ITEM 8.01 OTHER EVENTS

On November 8, 2007, Enterprise Financial Services Corp issued a press release announcing a reorganization of its Trust business.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

(d) Exhibits

Exhibit No.    Description
99.1  Press Release dated November 8, 2007

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

Date: November 8, 2007

ENTERPRISE FINANCIAL SERVICES CORP 
  
/s/ Kevin C. Eichner 
Kevin C. Eichner 
Chief Executive Officer 

INDEX TO EXHIBITS

Exhibit No.    Description  
99.1  Press Release dated November 8, 2007* 

*This exhibit is furnished to, but not filed with, the Commission by inclusion herein.