UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): October 1, 2013

ENCORE CAPITAL GROUP, INC.

(Exact Name of Registrant as Specified in Charter)

(877) 445-4581

(Registrant’s telephone number, including area code)

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):

A copy of an investor slide presentation given by Paul Grinberg, Chief Financial Officer, of Encore Capital Group, Inc. (the “Company”), at an investor presentation on October 1, 2013, is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein solely for purposes of this Item 7.01.

The information in this Current Report on Form 8-K, including the information contained in Exhibit 99.1, is being furnished to the Securities and Exchange Commission pursuant to Item 7.01, and shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by a specific reference in such filing.

Cautionary Statement Regarding Forward-Looking Statements

The statements in this Current Report on Form 8-K and the exhibits filed herewith that are not historical facts, including, most importantly, those statements preceded by, or that include, the words “will,” “may,” “believe,” “projects,” “expects,” “anticipates” or the negation thereof, or similar expressions, constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 (the “Reform Act”). These statements may include, but are not limited to, statements regarding our future operating results, earnings per share, and growth. For all “forward-looking statements,” the Company claims the protection of the safe harbor for forward-looking statements contained in the Reform Act. Such forward-looking statements involve risks, uncertainties and other factors which may cause actual results, performance or achievements of the Company and its subsidiaries to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. These risks, uncertainties and other factors are discussed in the reports filed by the Company with the Securities and Exchange Commission, including the most recent reports on Forms 10-K and 10-Q, as they may be amended from time to time. The Company disclaims any intent or obligation to update these forward-looking statements.

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.

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