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): March 12, 2012

First Business Financial Services, Inc.

(Exact name of registrant as specified in its charter)

Wisconsin	1-34095	39-1576570
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

401 Charmany Drive

Madison, Wisconsin 53719

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (608) 238-8008

N/A

(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 (see General Instruction A.2. below):

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

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

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

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

Item 7.01. Regulation FD Disclosure.

On March 12, 2012, First Business Financial Services, Inc. delivered a letter to shareholders for the year ended December 31, 2011. A copy of the letter to shareholders is furnished as Exhibit 99.1 and is incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

The following exhibit is being “furnished” as part of this Current Report on Form 8-K:

99.1 Letter to Shareholders of First Business Financial Services, Inc.

.

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 hereunto duly authorized.

Date: March 12, 2012	FIRST BUSINESS FINANCIAL SERVICES, INC.
	By:	/s/ James F. Ropella
		Name: James F. Ropella
		Title: Senior Vice President and CFO

First Business Financial Services, Inc.

Exhibit Index to Current Report on Form 8-K

Exhibit Number
99.1	Letter to Shareholders of First Business Financial Services, Inc.